 --- *~~~ La versione in italiano inizia subito dopo la versione in inglese ~~~* --- **ENGLISH** https://images.ecency.com/DQmNuqRpdWgTaWvjwbmaVWSemm13V7viV9jyRyVFHiMSbYA/optimized_image_1_.jpeg **17-07-2025 - Mathematical Analysis - Functions of Several Variables [EN]-[IT]** With this post, I would like to provide a brief introduction to the topic mentioned above. (code notes: X-36) ***Functions of Several Variables***  *Image created with artificial intelligence, the software used is Microsoft Copilot* **Introduction** We often study functions in school and struggle to complete the 1,000 exercises we're given. Then, anyone who continues their studies in engineering or mathematics will eventually encounter something unusual in the field of functions and come across functions of multiple variables. They are extensions of normal one-variable functions. The spaces on which functions of multiple variables operate are larger, and each point has multiple coordinates. In this case, we're really starting to get complicated! **The simplest two-variable function** Below, I show what can be considered the simplest two-variable function.  In this function, we have that (x,y) can vary in a generic way, the domain is the whole of R, and there are no restrictions on x,y. The range is over the entire R, and the function can be made to tend to +∞. And now are you ready to see the graph of this function? Did you realize it will be multidimensional? Below is the graph of the function where we have **z=x^2-y** considering it for -3<=x and y<=3.  You can see the quadratic curvature in the x-direction and the constant slope along the y-direction. *Image created with artificial intelligence, ChatGPT software used* **Two-variable function with sine and cosine** Now let's try to push this further, moving towards more complex forms. Let's try the following function:  The domain will be the entirety of R (the set of real numbers) without any restrictions. This function will have a periodicity identified in the range of 2π in x and 2π in y. Get ready to see the magical graph of this two-variable function below.  *Image created with artificial intelligence, ChatGPT software used* The graph shows a regular dune surface where sinusoidal waves along x are multiplied by cosine waves along y. This creates a wavy pattern that extends periodically in both directions and gives an idea of how mathematics can actually express forms that are pleasing to the eye. **Gaussian Dome** We can't conclude without mentioning the Gaussian dome. Carl Friedrich Gauss is considered one of the greatest mathematicians of all time. He was born in Germany in 1777 and was a precocious genius. It's said that as a child, he would correct his father's homework. I've never figured out whether this is a legend or the truth, but anyone who knows what Gauss did in class at age 9 might easily believe the story told above is true. Anyway, let's now consider the function that expresses the Gaussian dome.  This function has a range of 0<f<=1, and the maximum value f(0,0)=1 is found at the center. Let's now reveal the graph of the famous Gaussian dome.  *Image created with artificial intelligence, ChatGPT software used* The graph always has positive curvature with a strictly convex surface and no saddle points. ***Conclusions*** Functions of several variables are used in physics to describe vector or potential fields in two or three dimensions. They are also used in engineering to model systems dependent on multiple parameters. ***Question*** Leonhard Euler is known for his famous calculations of the orbits of planets and comets, but did you know that as early as 1700 he also studied surfaces z = f(x,y), that is, functions of several variables? --- https://images.hive.blog/1536x0/https://files.peakd.com/file/peakd-hive/green77/gGQutTRs-hive-spacer.png --- **ITALIAN** https://images.ecency.com/DQmQ25zcp9Mna5r5gtLp786kVkVUpkVnQwgG7oWuMo88d7P/optimized_image.jpeg **17-07-2025 - Analisi Matematica - Funzioni di più variabili [EN]-[IT]** Con questo post vorrei dare una breve istruzione a riguardo dell’argomento citato in oggetto (code notes: X-36) ***Funzioni di più variabili***  *immagine creata con l’intelligenza artificiale, il software usato è Microsoft Copilot* **Introduzione** Spesso studiamo a scuola le funzioni e fatichiamo a fare i 1000 esercizi che ci vengono dati. Poi chi prosegue con gli studi di ingegneria o matematica, ad un certo punto incontra anche qualcosa di particolare nell'ambito delle funzioni e si imbatte nelle funzioni a più variabili. Esse sono delle estensioni delle normali funzioni a una variabile. Gli spazi su cui operano le funzioni a più variabili sono più vasti ed ogni punto ha coordinate multiple. In questo caso, iniziamo proprio a complicarci la vita!! **La funzione a due variabili più semplice** Qui di seguito mostro quella che può essere considerata la funzioni a due variabili più semplice.  In questa funzione abbiamo che (x,y) possono variare in modo generico, il dominio è su tutto R e non ci sono restrizioni su x,y. Il range è su tutto R e la funzione si può far tendere a +∞ E ora siete pronti a vedere il grafico di questa funzione? Avete capito che sarà a più dimensioni? Qui di seguito il grafico della funzione dove avremo **z=x^2-y** prendendolo in considerazione per -3<=x e y<=3  si vede la curvatura quadratica nel senso di x e la pendenza costante lungo y. *immagine creata con l’intelligenza artificiale, il software usato è ChatGPT* **Funzione a due variabili con seno e coseno** Proviamo ora a spingerci oltre, andare verso forme più complesse. proviamo la seguente funzione:  Il dominio sarà su tutto R (insieme dei numeri reali) senza nessuna restrizione. Questa funzione avrà una periodicità identificata nel range di 2π in x e 2π in y. Preparativi a vedere qui sotto il magico grafico di questa funzione a due variabili.  *immagine creata con l’intelligenza artificiale, il software usato è ChatGPT* Il grafico mostra un superficie a dune regolari dove ci sono onde sinusoidali lungo x moltiplicate per onde cosinusoidali lungo y. Si viene a creare un pattern ondulato che si estende periodicamente in entrambe le direzioni e da l'idea di come la matematica possa in realtà esprimere anche forme piacevoli allo sguardo. **Cupola Gaussiana** Non possiamo concludere senza citare la cupola Gaussiana. Carl Friedrich Gauss è considerato uno dei più grandi matematici di tutti i tempi. Nacque in Germania nel 1777 e fu un genio precoce. Si narra che da bambino era lui che correggeva i compiti del padre. Non ho mai capito se questa sia una leggenda o la verità, ma chi sa cosa fece in classe Gauss a 9 anni potrebbe tranquillamente pensare la storia raccontata prima sia vera. Comunque, prendiamo ora in considerazione la funzione che esprime la cupola gaussiana.  Questa funzione ha un range che è 0<f<=1 ed il valore massimo f(0,0)=1 si trova al centro. Sveliamo ora il grafico della famosa cupola Gaussiana  *immagine creata con l’intelligenza artificiale, il software usato è ChatGPT* Il grafico ha una curvatura sempre positiva con una superficie strettamente convessa e non ha punti di sella. ***Conclusioni*** Le funzioni di più variabili sono applicate in fisica per descrivere campi vettoriali o potenziali in 2 oppure 3 dimensioni. Esse vengono usate anche in ingegneria nella modellazione di sistemi dipendenti da più parametri. ***Domanda*** Leonhard Euler (Eulero) è conosciuto per i suoi famosi calcoli delle orbite di pianeti e comete, ma lo sapevate che egli studiò già nel 1700 anche le superfici z=f(x,y), cioè proprio le funzione a più variabili? **THE END**
author | stefano.massari | ||||||||||||
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permlink | 17-07-2025-mathematical-analysis-functions-of-several-variables-en-it | ||||||||||||
category | hive-146620 | ||||||||||||
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eric-boucher | 0 | 3,456,351,237 | 0.6% | ||
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jerrybanfield | 0 | 4,905,592,149 | 1.2% | ||
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bitrocker2020 | 0 | 2,559,482,135 | 0.24% | ||
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sustainablyyours | 0 | 685,658,876 | 5% | ||
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juancar347 | 0 | 5,298,493,616 | 0.6% | ||
samminator | 0 | 5,607,949,158 | 5% | ||
giuatt07 | 0 | 955,382,796,139 | 32% | ||
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alexander.alexis | 0 | 6,664,384,870 | 10% | ||
jayna | 0 | 1,868,750,394 | 0.24% | ||
princessmewmew | 0 | 2,047,623,927 | 0.75% | ||
grapthar | 0 | 7,120,741,297 | 100% | ||
joeyarnoldvn | 0 | 449,943,096 | 1.47% | ||
dexpartacus | 0 | 45,018,337,594 | 100% | ||
grocko | 0 | 10,117,403,436 | 10% | ||
gunthertopp | 0 | 12,462,947,537 | 0.24% | ||
pipiczech | 0 | 521,723,195 | 1.2% | ||
empath | 0 | 1,853,817,818 | 1.02% | ||
felt.buzz | 0 | 1,842,893,424 | 0.3% | ||
tsoldovieri | 0 | 1,013,782,307 | 5% | ||
neumannsalva | 0 | 1,124,175,640 | 0.6% | ||
stayoutoftherz | 0 | 39,588,396,839 | 0.3% | ||
abigail-dantes | 0 | 3,655,881,743 | 10% | ||
coindevil | 0 | 668,587,649 | 0.96% | ||
bambukah | 0 | 3,475,400,234 | 4% | ||
kharrazi | 0 | 1,070,821,513 | 30% | ||
val.halla | 0 | 2,869,631,606 | 10% | ||
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spiceboyz | 0 | 1,024,951,240 | 30% | ||
nainaztengra | 0 | 334,564,656,171 | 20% | ||
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marcusantoniu26 | 0 | 781,153,151,542 | 100% | ||
aidefr | 0 | 1,165,983,437 | 5% | ||
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diosarich | 0 | 669,043,641 | 10% | ||
jlsplatts | 0 | 26,558,352,762 | 2% | ||
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buttcoins | 0 | 11,587,420,303 | 0.24% | ||
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bartosz546 | 0 | 696,341,153 | 0.6% | ||
fedesox | 0 | 7,479,991,529,336 | 50% | ||
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dejan.vuckovic | 0 | 15,738,518,056 | 15% | ||
gianluccio | 0 | 75,843,613,199 | 27% | ||
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sunsea | 0 | 1,907,346,443 | 0.6% | ||
ciuoto | 0 | 12,495,314,960 | 15% | ||
bluefinstudios | 0 | 892,566,324 | 0.36% | ||
steveconnor | 0 | 1,149,231,596 | 0.6% | ||
carolineschell | 0 | 22,171,739,945 | 30% | ||
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kenadis | 0 | 2,557,824,966 | 10% | ||
madridbg | 0 | 2,413,506,664 | 10% | ||
marcolino76 | 0 | 1,144,873,551 | 15% | ||
adelepazani | 0 | 747,628,588 | 0.24% | ||
r00sj3 | 0 | 462,064,885 | 5% | ||
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juecoree | 0 | 622,769,940 | 7% | ||
gabrielatravels | 0 | 1,167,230,658 | 0.52% | ||
hetty-rowan | 0 | 516,644,664 | 0.6% | ||
intrepidphotos | 0 | 2,816,313,324 | 7.5% | ||
fineartnow | 0 | 896,581,205 | 0.6% | ||
aiziqi | 0 | 1,071,346,564 | 5% | ||
steemvault | 0 | 518,687,057 | 1.2% | ||
utube | 0 | 897,560,084 | 1.2% | ||
manncpt | 0 | 3,215,692,483 | 1.5% | ||
m1alsan | 0 | 1,328,650,819 | 1.2% | ||
neneandy | 0 | 1,340,978,952 | 1.2% | ||
pab.ink | 0 | 5,133,211,779 | 100% | ||
marc-allaria | 0 | 558,014,792 | 0.6% | ||
jnmarteau | 0 | 645,792,976 | 1.5% | ||
pandasquad | 0 | 3,730,145,602 | 1.2% | ||
mproxima | 0 | 828,583,279 | 0.6% | ||
piumadoro | 0 | 14,416,388,278 | 30% | ||
emiliomoron | 0 | 871,682,383 | 5% | ||
fireguardian | 0 | 583,457,733 | 20% | ||
photohunt | 0 | 782,487,149 | 1.2% | ||
geopolis | 0 | 593,208,625 | 10% | ||
robertbira | 0 | 1,029,153,883 | 2.5% | ||
atomcollector | 0 | 443,444,094 | 0.3% | ||
alexdory | 0 | 1,735,440,582 | 10% | ||
takowi | 0 | 25,414,728,148 | 1.2% | ||
irgendwo | 0 | 4,090,774,170 | 1.2% | ||
cyprianj | 0 | 2,619,740,159 | 5% | ||
melvin7 | 0 | 17,780,285,811 | 5% | ||
francostem | 0 | 1,282,103,215 | 10% | ||
chrislybear | 0 | 1,506,126,551 | 0.6% | ||
jjerryhan | 0 | 1,583,389,370 | 0.6% | ||
putu300 | 0 | 1,114,295,524 | 5% | ||
zipporah | 0 | 600,403,095 | 0.24% | ||
mad-runner | 0 | 40,849,994,448 | 21% | ||
superlotto | 0 | 1,250,589,000 | 1.2% | ||
oadissin | 0 | 295,297,347,748 | 54% | ||
sbarandelli | 0 | 921,601,289 | 30% | ||
bscrypto | 0 | 3,676,768,438 | 0.6% | ||
bil.prag | 0 | 554,393,330 | 0.06% | ||
vcclothing | 0 | 1,102,148,537 | 0.6% | ||
ravenmus1c | 0 | 19,210,916,768 | 1% | ||
sanderjansenart | 0 | 1,264,184,564 | 0.6% | ||
vittoriozuccala | 0 | 7,817,384,182 | 15% | ||
qberry | 0 | 933,145,466 | 0.6% | ||
greddyforce | 0 | 1,861,505,967 | 0.75% | ||
therising | 0 | 25,705,177,031 | 1.2% | ||
cryptocoinkb | 0 | 465,494,379 | 0.6% | ||
de-stem | 0 | 5,213,790,267 | 9.9% | ||
imcore | 0 | 863,324,803 | 10% | ||
spaghettiscience | 0 | 8,127,822,036 | 30% | ||
achimmertens | 0 | 9,080,929,483 | 2.5% | ||
lorenzopistolesi | 0 | 1,222,187,834 | 100% | ||
phage93 | 0 | 13,003,477,770 | 30% | ||
deholt | 0 | 519,221,149 | 8.5% | ||
minerthreat | 0 | 925,743,328 | 0.6% | ||
temitayo-pelumi | 0 | 896,907,533 | 10% | ||
doctor-cog-diss | 0 | 9,026,833,695 | 10% | ||
musicvoter2 | 0 | 2,504,337,453 | 1% | ||
hardrockcrypto | 0 | 1,205,832,551 | 100% | ||
cooltivar | 0 | 1,496,557,046 | 24% | ||
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cheese4ead | 0 | 1,139,788,399 | 0.6% | ||
nattybongo | 0 | 5,972,067,686 | 15% | ||
talentclub | 0 | 769,347,507 | 0.6% | ||
armandosodano | 0 | 51,751,336,584 | 21% | ||
marivic10 | 0 | 532,956,594 | 2.5% | ||
teamvn | 0 | 7,710,434,866 | 5.83% | ||
kylealex | 0 | 5,387,802,109 | 10% | ||
coccodema | 0 | 1,789,075,885 | 15% | ||
thelittlebank | 0 | 5,429,252,659 | 0.3% | ||
pboulet | 0 | 17,793,740,322 | 8% | ||
jessica.steem | 0 | 1,928,587,373 | 25.5% | ||
cliffagreen | 0 | 5,231,731,505 | 10% | ||
palasatenea | 0 | 493,729,402 | 0.6% | ||
the.success.club | 0 | 781,829,987 | 0.6% | ||
sbi8 | 0 | 62,814,021,901 | 10.13% | ||
middleearth | 0 | 1,213,225,726 | 30% | ||
adinapoli | 0 | 8,961,765,667 | 15% | ||
multifacetas | 0 | 863,493,473 | 0.6% | ||
cakemonster | 0 | 628,192,350 | 1.2% | ||
discovery-it | 0 | 1,329,636,820,378 | 30% | ||
stem.witness | 0 | 539,804,824 | 10% | ||
mfarinato | 0 | 1,080,615,165 | 15% | ||
vaultec | 0 | 315,977,359,092 | 12% | ||
steemstorage | 0 | 1,620,516,355 | 1.2% | ||
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lallo | 0 | 42,597,595,341 | 30% | ||
crowdwitness | 0 | 3,395,454,350 | 5% | ||
eternalsuccess | 0 | 713,613,780 | 0.6% | ||
hairgistix | 0 | 710,812,646 | 0.6% | ||
instagram-models | 0 | 2,976,578,643 | 0.6% | ||
steemean | 0 | 9,882,603,389 | 5% | ||
thelogicaldude | 0 | 1,987,004,870 | 4% | ||
littlesorceress | 0 | 1,352,597,512 | 1.2% | ||
cryptofiloz | 0 | 1,884,282,809 | 1.2% | ||
dawnoner | 0 | 528,911,495 | 0.12% | ||
titti | 0 | 11,060,164,873 | 30% | ||
memehub | 0 | 713,580,928 | 0.6% | ||
stregamorgana | 0 | 1,178,333,182 | 30% | ||
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libertycrypto27 | 0 | 561,401,622,100 | 50% | ||
edencourage | 0 | 6,317,371,020 | 50% | ||
robibasa | 0 | 163,599,754,745 | 50% | ||
nooblogger | 0 | 954,605,536 | 10% | ||
spurisna | 0 | 30,901,481,801 | 100% | ||
blumela | 0 | 145,209,697,688 | 50% | ||
qwerrie | 0 | 1,394,814,608 | 0.09% | ||
tinyhousecryptos | 0 | 469,729,406 | 5% | ||
cryptomonica | 0 | 19,461,326,347 | 100% | ||
maruskina | 0 | 32,259,204,332 | 15% | ||
victoriaxl | 0 | 1,092,940,332 | 15% | ||
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tiffin | 0 | 841,400,075 | 1.2% | ||
reggaesteem | 0 | 491,585,957 | 5% | ||
capitanonema | 0 | 1,078,979,424 | 30% | ||
damaskinus | 0 | 622,400,640 | 15% | ||
tokensink | 0 | 774,353,804 | 1.2% | ||
sbi-tokens | 0 | 952,103,706 | 0.8% | ||
sportgamer | 0 | 9,013,449,620 | 100% | ||
stem.alfa | 0 | 2,555,262,271 | 50% | ||
marcellasunset | 0 | 532,777,304 | 30% | ||
steemstem-trig | 0 | 155,625,953 | 10% | ||
baltai | 0 | 1,804,538,487 | 0.6% | ||
discovery-blog | 0 | 4,057,825,119 | 30% | ||
ibt-survival | 0 | 37,594,827,669 | 10% | ||
pjansen.ctp | 0 | 0 | 28% | ||
delilhavores | 0 | 14,067,676,767 | 30% | ||
hjmarseille | 0 | 1,229,040,459 | 27% | ||
gloriaolar | 0 | 3,277,962,061 | 3% | ||
garlet | 0 | 45,086,320,128 | 50% | ||
libertypal27 | 0 | 785,602,105 | 100% | ||
zeusflatsak | 0 | 755,986,117 | 5% | ||
hive-199963 | 0 | 1,302,195,123 | 1.2% | ||
monica-ene | 0 | 10,210,517,237 | 10% | ||
hivebuzz | 0 | 9,053,057,758 | 3% | ||
pinmapple | 0 | 800,968,107 | 1.5% | ||
hivetrending | 0 | 29,989,997,875 | 15% | ||
laruche | 0 | 2,067,281,924 | 1.25% | ||
stemsocial | 0 | 80,405,671,189 | 10% | ||
peterpanpan | 0 | 1,093,782,671 | 30% | ||
the100 | 0 | 1,090,278,271 | 0.6% | ||
meppij | 0 | 66,585,296,951 | 100% | ||
matteus57 | 0 | 2,933,987,172 | 30% | ||
hivelist | 0 | 20,968,140,430 | 10% | ||
kiemurainen | 0 | 839,864,912 | 0.5% | ||
ilcontabile | 0 | 2,023,136,069 | 100% | ||
kingneptune | 0 | 958,811,135 | 10% | ||
noelyss | 0 | 2,823,736,855 | 5% | ||
flewsplash | 0 | 5,642,826,299 | 30% | ||
quinnertronics | 0 | 15,549,996,115 | 7% | ||
vokus | 0 | 878,317,186 | 10% | ||
sweetunicorn | 0 | 1,107,820,787 | 100% | ||
bindalove | 0 | 782,500,916 | 30% | ||
altleft | 0 | 5,526,899,947 | 0.01% | ||
clifth | 0 | 764,372,762 | 50% | ||
kappa9 | 0 | 749,850,024 | 100% | ||
meritocracy | 0 | 16,285,101,595 | 0.12% | ||
dcrops | 0 | 5,538,247,459 | 0.6% | ||
ronasoliva1104 | 0 | 729,256,793 | 10% | ||
libertyleo27 | 0 | 457,235,974 | 100% | ||
rondonshneezy | 0 | 2,154,040,511 | 10% | ||
dadspardan | 0 | 5,440,429,677 | 10% | ||
peerfinance | 0 | 53,193,020,291 | 100% | ||
whywhy | 0 | 480,400,618 | 0.33% | ||
yozen | 0 | 1,819,976,422 | 0.6% | ||
repayme4568 | 0 | 476,797,074 | 15% | ||
huzzah | 0 | 6,098,323,966 | 20% | ||
cooperclub | 0 | 2,925,049,241 | 10% | ||
failingforwards | 0 | 772,172,311 | 0.6% | ||
creodas | 0 | 452,665,177 | 15% | ||
drricksanchez | 0 | 3,566,213,977 | 0.6% | ||
wizzitywillican | 0 | 781,953,458 | 10% | ||
joseluis91 | 0 | 4,781,679,926 | 30% | ||
hive.pizza | 0 | 896,305,343,027 | 20% | ||
m0rt0nmattd | 0 | 1,837,673,220 | 100% | ||
nfttunz | 0 | 2,770,626,692 | 0.12% | ||
okluvmee | 0 | 991,746,955 | 0.6% | ||
merit.ahama | 0 | 822,047,549 | 0.36% | ||
holovision.cash | 0 | 4,020,349,830 | 100% | ||
egistar | 0 | 612,059,052 | 2.5% | ||
quiubi | 0 | 906,653,778 | 3% | ||
maridmc | 0 | 5,152,478,375 | 30% | ||
holovision.stem | 0 | 641,063,694 | 50% | ||
buffalobison | 0 | 30,790,354,515 | 50% | ||
thecbp-hiver | 0 | 654,994,614 | 10% | ||
musicandreview | 0 | 458,235,416 | 0.75% | ||
libertypob27 | 0 | 818,156,000 | 100% | ||
magic.ctp | 0 | 0 | 100% | ||
farmingtales | 0 | 2,255,890,214 | 30% | ||
jam728 | 0 | 4,759,306,954 | 100% | ||
aries90 | 0 | 12,439,751,377 | 1.2% | ||
franvenezuela | 0 | 499,979,692 | 15% | ||
onewolfe | 0 | 450,603,519 | 50% | ||
banzafahra | 0 | 1,709,907,949 | 10% | ||
davideownzall | 0 | 35,988,867,968 | 100% | ||
blingit | 0 | 854,330,967 | 0.6% | ||
jrjaime | 0 | 1,386,701,415 | 9% | ||
t0xicgh0st | 0 | 449,817,180 | 100% | ||
tonmarinduque | 0 | 650,771,770 | 15% | ||
cryptogillone | 0 | 529,137,322 | 30% | ||
epicur0 | 0 | 6,440,734,070 | 100% | ||
h3m4n7 | 0 | 6,188,874,928 | 18% | ||
spiritverve | 0 | 3,132,658,476 | 20% | ||
thedoc07 | 0 | 996,517,387 | 10% | ||
dia-monds | 0 | 12,426,180,853 | 100% | ||
captaindingus | 0 | 2,095,623,220 | 0.6% | ||
waivio.curator | 0 | 2,520,809,051 | 4.77% | ||
crimsonowl-art | 0 | 451,264,975 | 15% | ||
cherute | 0 | 541,515,373 | 10% | ||
newilluminati | 0 | 3,807,108,817 | 0.6% | ||
lothbrox | 0 | 883,103,510 | 100% | ||
sissim72 | 0 | 239,625,969,687 | 100% | ||
zeclipse | 0 | 606,102,425 | 20% | ||
highfist | 0 | 846,270,437 | 10% | ||
woodathegsd | 0 | 555,239,917 | 5% | ||
lichtkunstfoto | 0 | 1,930,276,570 | 1.2% | ||
zerofucks | 0 | 4,612,863,921 | 100% | ||
pensieristupendi | 0 | 1,937,682,876 | 100% | ||
the-pockets | 0 | 589,193,191 | 10% | ||
studio3141 | 0 | 450,198,177 | 50% | ||
marynn | 0 | 766,056,648 | 10% | ||
lukasbachofner | 0 | 1,122,263,926 | 0.6% | ||
incantia | 0 | 1,101,516,871 | 70% | ||
belug | 0 | 1,497,535,890 | 0.36% | ||
digy | 0 | 482,372,385 | 30% | ||
joyyusuf | 0 | 842,785,273 | 30% | ||
cuzimgleb | 0 | 1,866,328,028 | 70% | ||
dutchchemist | 0 | 451,558,476 | 100% | ||
hk-curation | 0 | 1,132,469,853 | 0.84% | ||
cindynancy | 0 | 1,778,274,540 | 10% | ||
itsmikyhere | 0 | 450,654,733 | 0.75% | ||
callmesmile | 0 | 764,001,370 | 0.6% | ||
thoth442 | 0 | 3,353,667,144 | 10% | ||
justfavour | 0 | 1,152,106,499 | 0.6% | ||
cthings | 0 | 3,432,154,683 | 6% | ||
jijisaurart | 0 | 649,207,222 | 0.6% | ||
wasined | 0 | 4,260,322,655 | 1.2% | ||
yzamazing | 0 | 1,877,851,661 | 15% | ||
clpacksperiment | 0 | 679,397,856 | 0.6% | ||
ambicrypto | 0 | 31,467,901,836 | 1.2% | ||
humbe | 0 | 8,356,899,799 | 2% | ||
agrante | 0 | 28,295,805,102 | 100% | ||
jhymi | 0 | 1,170,175,131 | 0.6% | ||
slothbuzz | 0 | 11,599,664,064 | 20% | ||
nftfrappe | 0 | 36,284,638,662 | 10% | ||
sassy.cebuana | 0 | 776,954,670 | 15% | ||
blip-blop | 0 | 1,784,601,622 | 15% | ||
denisda | 0 | 2,547,670,203 | 15% | ||
slothburn | 0 | 1,343,391,863 | 10% | ||
skiptvads | 0 | 207,361,224,424 | 35% | ||
argo8 | 0 | 1,399,870,399 | 0.6% | ||
healthymary | 0 | 6,554,948,186 | 100% | ||
rhemagames | 0 | 1,159,280,063 | 0.6% | ||
soylegionario | 0 | 1,599,304,510 | 1.2% | ||
mita3 | 0 | 1,183,666,680 | 20% | ||
cur8 | 0 | 2,087,793,259,952 | 50% | ||
iamscinttwister | 0 | 1,052,924,649 | 15% | ||
mavis-muggletum | 0 | 782,598,399 | 5% | ||
odb-contest | 0 | 12,946,795,857 | 100% | ||
bulliontool | 0 | 1,160,975,379 | 20% | ||
ghilvar | 0 | 3,140,051,877 | 30% | ||
sararossi | 0 | 10,092,117,295 | 100% | ||
marcelloracconti | 0 | 551,090,942 | 30% | ||
dandelion24 | 0 | 594,207,805 | 30% | ||
angeluxx | 0 | 86,271,698,879 | 100% | ||
abilitysend | 0 | 0 | 100% | ||
profwhitetower | 0 | 3,262,728,887 | 5% | ||
calebmarvel24 | 0 | 2,587,373,899 | 10% | ||
bisolamih | 0 | 8,373,111,612 | 100% | ||
menny.trx | 0 | 1,410,505,710 | 25% | ||
k4rl4 | 0 | 2,414,391,010 | 45% | ||
maaasha | 0 | 3,287,232,308 | 35% | ||
steveguereschi | 0 | 139,200,028,348 | 70% | ||
arka1 | 0 | 1,381,082,288 | 0.6% | ||
eliza01 | 0 | 740,278,196 | 100% |
UUUffff sembra complicato ma la storia è interessante
author | angeluxx |
---|---|
permlink | re-stefanomassari-szk9df |
category | hive-146620 |
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Thanks for leaving a comment. Behind these technical and mathematical topics there are always great stories. Perhaps it would be nice if I expanded the historical section dedicated to this type of post I write. Here I talk about functions of two variables and their importance. They are central to many developments in mathematical analysis, physics, and engineering. Lagrange invented the method of maximums and minimums by studying functions of two variables. Lagrange's optimization method is used today in operations research; I'd say it's one of the fundamentals of operations research. !CTP
author | stefano.massari |
---|---|
permlink | re-angeluxx-2025719t17316365z |
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La matemáticas es buena y su historia es mucho más fascinante
author | angeluxx |
---|---|
permlink | re-stefanomassari-t17m58 |
category | hive-146620 |
json_metadata | {"tags":["hive-146620"],"app":"peakd/2025.7.3","image":[],"users":[]} |
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That’s a sort of crazy formula😅 It’s an interesting course by the way
author | bisolamih |
---|---|
permlink | re-stefanomassari-2025717t75156212z |
category | hive-146620 |
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Thanks for leaving a comment. In this article, I talked about functions of two variables. I was hesitant to post this, but I'm glad I did. They're not often studied, but they're everywhere in engineering. We can see them in surface modeling, temperature distribution, or electric currents on a plane. !BBH
author | stefano.massari |
---|---|
permlink | re-bisolamih-2025719t172027413z |
category | hive-146620 |
json_metadata | {"links":[],"type":"comment","tags":["hive-146620","learn","mathematicalanalysis","neoxian","stem","ctp","pimp","palnet","vyb","archon","hueso"],"app":"ecency/3.3.3-mobile","format":"markdown+html"} |
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Oh si le funzioni a 2 variabili usate tantissimo e la gaussiana ancora di più, soprattutto a statistica, una delle prime cose che insegnano !PIZZA
author | davideownzall |
---|---|
permlink | re-stefanomassari-szj1pm |
category | hive-146620 |
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<div class='pull-right'>https://files.peakd.com/file/peakd-hive/beerlover/yiuU6bdf-beerlover20gives20BEER.gif<p><sup><a href='https://hive-engine.com/?p=market&t=BEER'>View or trade </a> <code>BEER</code>.</sup></p></div><center><br> <p>Hey @davideownzall, here is a little bit of <code>BEER</code> from @stefano.massari for you. Enjoy it!</p> <p>Learn how to <a href='https://peakd.com/beer/@beerlover/what-is-proof-of-stake-with-beer'>earn <b>FREE BEER</b> each day </a> by staking your <code>BEER</code>.</p> </center><div></div>
author | beerlover |
---|---|
permlink | re-davideownzall-re-stefanomassari-szj1pm-20250719t151407369z |
category | hive-146620 |
json_metadata | {"app":"beerlover/3.0","language":"rust","developer":"wehmoen"} |
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<div class='pull-right'>https://files.peakd.com/file/peakd-hive/beerlover/yiuU6bdf-beerlover20gives20BEER.gif<p><sup><a href='https://hive-engine.com/?p=market&t=BEER'>View or trade </a> <code>BEER</code>.</sup></p></div><center><br> <p>Hey @davideownzall, here is a little bit of <code>BEER</code> from @stefano.massari for you. Enjoy it!</p> <p>Learn how to <a href='https://peakd.com/beer/@beerlover/what-is-proof-of-stake-with-beer'>earn <b>FREE BEER</b> each day </a> by staking your <code>BEER</code>.</p> </center><div></div>
author | beerlover |
---|---|
permlink | re-davideownzall-re-stefanomassari-szj1pm-20250719t151413615z |
category | hive-146620 |
json_metadata | {"app":"beerlover/3.0","language":"rust","developer":"wehmoen"} |
created | 2025-07-19 15:14:12 |
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root_title | "17-07-2025 - Mathematical Analysis - Functions of Several Variables [EN]-[IT]" |
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Grazie per aver lasciato un commento. Noto con piacere che sai davvero tante cose. Questo post non lo volevo neanche fare, invece alla fine è venuto anche bellino. Fare un post sulle funzioni a due variabili poteva risultare davvero tedioso. Comunque, le funzioni a due variabili invece di avere un solo input, hanno due variabili indipendenti, che solitamente si indicano con x e y. Alla fine la funzione restituisce un valore z. Qui di seguito la descrizione dell’output di una funzione a due variabili, giusto per ricordarle meglio. Ti ricordi come le usavi in statistica? !BEER 
author | stefano.massari |
---|---|
permlink | re-davideownzall-2025719t17140399z |
category | hive-146620 |
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created | 2025-07-19 15:14:00 |
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davideownzall | 0 | 275,734,621 | 1% |
Eh alla fine avendo fatto percorsi simili quando leggo i tuoi post mi sblocchi vecchi ricordi, ormai si parla di 20 anni fa, quindi figurati se ricordo tutto, però mi fa piacere un po' di ripasso in memoria dei vecchi tempi... Direi qualcosa con la probabilità in funzione di 2 diverse condizioni !PIZZA
author | davideownzall |
---|---|
permlink | re-stefanomassari-szo18p |
category | hive-146620 |
json_metadata | {"tags":["hive-146620"],"app":"peakd/2025.7.3","image":[],"users":[]} |
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last_update | 2025-07-19 21:34:03 |
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<div class="pull-left">https://cdn.steemitimages.com/DQmTAn3c753LR7bHCLPo96g9UvRMaPFwaMYn8VQZa85xczC/discovery_logo_colore%20-%20Copia.png</div><br> This post was shared and voted inside the discord by the curators team of <a href="https://discord.gg/cMMp943"> discovery-it</a> <br>Join our <a href = "https://hive.blog/trending/hive-193212"> Community</a> and follow our <a href = "https://hive.vote/dash.php?i=1&trail=discovery-it">Curation Trail</a><br>Discovery-it is also a Witness, vote for us <a href = "https://hivesigner.com/sign/account-witness-vote?witness=discovery-it&approve=true"> here</a> <br>Delegate to us for passive income. Check our <a href = "https://hive.blog/hive-193212/@discovery-it/delegations-program-80-fee-back"> 80% fee-back Program</a> <hr>
author | discovery-it |
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Grazie per il vostro supporto. Continuerò a delegare HP a discovery-it perché ritengo giusto supportare il grande lavoro che state facendo. !HBIT
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Congratulations @stefano.massari! You have completed the following achievement on the Hive blockchain And have been rewarded with New badge(s) <table><tr><td><img src="https://images.hive.blog/60x70/https://hivebuzz.me/@stefano.massari/upvoted.png?202507171248"></td><td>You received more than 170000 upvotes.<br>Your next target is to reach 180000 upvotes.</td></tr> </table> <sub>_You can view your badges on [your board](https://hivebuzz.me/@stefano.massari) and compare yourself to others in the [Ranking](https://hivebuzz.me/ranking)_</sub> <sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>
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!PIMP !discovery 30
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<center>PIZZA! $PIZZA slices delivered: @davideownzall<sub>(1/15)</sub> tipped @stefano.massari <sub>Come get [MOON](https://moon.hive.pizza)ed!</sub></center>
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<div class='text-justify'> <div class='pull-left'> <img src='https://stem.openhive.network/images/stemsocialsupport7.png'> </div> Thanks for your contribution to the <a href='/trending/hive-196387'>STEMsocial community</a>. Feel free to join us on <a href='https://discord.gg/9c7pKVD'>discord</a> to get to know the rest of us! Please consider delegating to the @stemsocial account (85% of the curation rewards are returned). Consider setting @stemsocial as a beneficiary of this post's rewards if you would like to support the community and contribute to its mission of promoting science and education on Hive. <br /> <br /> </div>
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https://x.com/jewellery_all/status/1945807981230358891
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