List questions from lagrange-multiplier

Published on 14 Jun 2018 - 7:31

88

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Lagrange multiplier when decisions variables are not in the same set

Published on 20 Mar 2026 - 10:41

71

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Do gradients of level curves at tangent point point at same direction?

Published on 15 Jun 2018 - 3:46

6.4k

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Maximize $f(x,y)=xy$ subject to $x^2-yx+y^2 = 1$

Published on 15 Jun 2018 - 7:44

112

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Using the Lagrange Multipliers Method to prove $\ |h(x,y)|\leq 1$

Published on 15 Jun 2018 - 8:50

112

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Find the minimizer of $A=12a+13b+11c$

Published on 15 Jun 2018 - 11:04

1.9k

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Proving Holder inequality using Lagrange multipliers

Published on 16 Jun 2018 - 4:18

160

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If $0⩽x⩽y⩽z⩽w⩽u$ and $x+y+z+w+u=1$, prove $xw+wz+zy+yu+ux⩽\frac15$

Published on 23 Mar 2026 - 4:46

200

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Minimize $ {x}^{T} Q y $ subject to $ \left\| x \right\|^{2} + \left\| y \right\|^{2} = 1 $

Published on 25 Mar 2026 - 3:02

448

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clarifying the definition of the Lagrange dual function, and how to find it systematically

Published on 25 Mar 2026 - 1:16

208

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Find minimum and maximum values of a function in a closed and bounded subset

Published on 18 Jun 2018 - 16:56

47

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Duality by computing $P+Q$

Published on 18 Jun 2018 - 19:13

117

Views

Show that $\log (xy) \leq \log\Big(\frac{1}{2}\Big)$

Published on 21 Jun 2018 - 11:26

166

Views

Using Lagrange Multiplier to prove identity

Published on 21 Jun 2018 - 11:59

69

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Extremizing quartic on circle using Lagrange multipliers

Published on 22 Jun 2018 - 18:00

List Question

Is it possible to left-muliply with Lagrange Multipliers

Lagrange multiplier when decisions variables are not in the same set

Do gradients of level curves at tangent point point at same direction?

Maximize $f(x,y)=xy$ subject to $x^2-yx+y^2 = 1$

Using the Lagrange Multipliers Method to prove $\ |h(x,y)|\leq 1$

Find the minimizer of $A=12a+13b+11c$

Proving Holder inequality using Lagrange multipliers

If $0⩽x⩽y⩽z⩽w⩽u$ and $x+y+z+w+u=1$, prove $xw+wz+zy+yu+ux⩽\frac15$

Minimize $ {x}^{T} Q y $ subject to $ \left\| x \right\|^{2} + \left\| y \right\|^{2} = 1 $

clarifying the definition of the Lagrange dual function, and how to find it systematically

Find minimum and maximum values of a function in a closed and bounded subset

Duality by computing $P+Q$

Show that $\log (xy) \leq \log\Big(\frac{1}{2}\Big)$

Using Lagrange Multiplier to prove identity

Extremizing quartic on circle using Lagrange multipliers

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