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Partial derivative of sigmoid function with sum (sigma) input

score 1.5k · Answer 1 · 2026-03-25 17:35:03

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Partial derivative of sigmoid function with sum (sigma) input

Published on 25 Mar 2026 - 17:35

score 1k · Answer 2 · 2026-04-09 10:29:04

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Analytical solution to an optimization problem

Published on 09 Apr 2026 - 10:29

score 44 · Answer 3 · 2026-04-17 05:53:56

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How do you find $\frac{dH}{dt}$ where, $H(x,y)=\sin(3x-y), x^3+2y=2t^3, x-y^2=t^2+3t$

Published on 17 Apr 2026 - 5:53

score 34 · Answer 4 · 2026-04-16 05:27:23

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If, $H(x,y,z)=2x^2-yz+xz^2,x=2\sin t,y=t^2-t-1, z=\frac{3}{e}$ Find at t=0, $\frac{dH}{dt}$.

Published on 16 Apr 2026 - 5:27

score 56 · Answer 5 · 2026-04-17 05:28:25

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Proving for $u=f(x,y), v=g(x,y)$, $\frac{du}{dx}\frac{dx}{du}+\frac{dv}{dx}\frac{dx}{dv}=1$.

Published on 17 Apr 2026 - 5:28

score 422 · Answer 6 · 2026-04-15 09:45:45

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Distributed general load question related to mechanical engineering

Published on 15 Apr 2026 - 9:45

score 102 · Answer 7 · 2026-04-16 10:37:23

$f(x,y,r,s)=0,g(x,y,r,s)=0, then \frac{\partial y}{\partial r}\frac{\partial r}{\partial x}= -\frac{\partial y}{\partial s}\frac{ds}{dx}$

score 266 · Answer 8 · 2026-03-25 11:22:18

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Application of Implicit Function Theorem: Problem 2-40 from Spivak's Calculus on Manifolds

Published on 25 Mar 2026 - 11:22

score 156 · Answer 9 · 2026-04-30 09:46:27

156

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Prove that $\det df(x)$ cannot vanish on an open set

Published on 30 Apr 2026 - 9:46

score 105 · Answer 10 · 2026-04-16 05:43:32

105

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Prove that $X\cdot (\nabla \times X)=0$, where $X \perp T_x$

Published on 16 Apr 2026 - 5:43

score 74 · Answer 11 · 2026-04-15 02:41:35

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Prove that $f(x,y)$ is a polynomial if $f(-,y)$ and $f(x,-)$ are

Published on 15 Apr 2026 - 2:41

score 516 · Answer 12 · 2026-04-11 21:21:28

516

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Does a function have to be defined in a neighborhood of a point in order for a limit to exist?

Published on 11 Apr 2026 - 21:21

score 909 · Answer 13 · 2026-04-14 01:41:46

909

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Computing Neural Network Gradients

Published on 14 Apr 2026 - 1:41

score 537 · Answer 14 · 2026-04-14 21:26:22

537

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$f(x) = x^TMx$, using Lagrange multipliers to prove SVD decomposition

Published on 14 Apr 2026 - 21:26

score 203 · Answer 15 · 2026-04-14 06:29:01

203

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Proof of $\nabla f(x^*) = 0$ is necessary condition for minimizer, using taylor expansions

Published on 14 Apr 2026 - 6:29

List Question

Partial derivative of sigmoid function with sum (sigma) input

Analytical solution to an optimization problem

How do you find $\frac{dH}{dt}$ where, $H(x,y)=\sin(3x-y), x^3+2y=2t^3, x-y^2=t^2+3t$

If, $H(x,y,z)=2x^2-yz+xz^2,x=2\sin t,y=t^2-t-1, z=\frac{3}{e}$ Find at t=0, $\frac{dH}{dt}$.

Proving for $u=f(x,y), v=g(x,y)$, $\frac{du}{dx}\frac{dx}{du}+\frac{dv}{dx}\frac{dx}{dv}=1$.

Distributed general load question related to mechanical engineering

$f(x,y,r,s)=0,g(x,y,r,s)=0, then \frac{\partial y}{\partial r}\frac{\partial r}{\partial x}= -\frac{\partial y}{\partial s}\frac{ds}{dx}$

Application of Implicit Function Theorem: Problem 2-40 from Spivak's Calculus on Manifolds

Prove that $\det df(x)$ cannot vanish on an open set

Prove that $X\cdot (\nabla \times X)=0$, where $X \perp T_x$

Prove that $f(x,y)$ is a polynomial if $f(-,y)$ and $f(x,-)$ are

Does a function have to be defined in a neighborhood of a point in order for a limit to exist?

Computing Neural Network Gradients

$f(x) = x^TMx$, using Lagrange multipliers to prove SVD decomposition

Proof of $\nabla f(x^*) = 0$ is necessary condition for minimizer, using taylor expansions

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