List questions from maxima-minima

Published on 11 Apr 2026 - 17:53

133

Views

Trying to understand $\max_{x} \max_{y} f(x,y) = \max_{x, y} f(x,y)$

Published on 14 Apr 2026 - 12:09

49

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Maximizing $e^{-x^2/2}\cosh(ax)$

Published on 13 Apr 2026 - 11:01

67

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Extremum of $x\cos(\theta)+y\sin(\theta)$

Published on 14 Apr 2026 - 1:19

98

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Extrema of a surface $z=f(x;y)$ when $det(H)=0$

Published on 14 Apr 2026 - 12:05

80

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How do I know if I've found the actual maximum value of an expression using the Cauchy inequality?

Published on 15 Apr 2026 - 15:21

61

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confusion about the meaning of a stationary integral

Published on 11 Apr 2026 - 13:04

77

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Showing that $\frac{9x^2\sin^2x + 4}{x\sin x}$ has a local minimum for $0 < x < \pi$

Published on 15 Apr 2026 - 2:22

30

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Higher order function's local extremum

Published on 28 Mar 2026 - 22:24

93

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Solutions of two minimisation problems

Published on 09 Apr 2026 - 12:29

73

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Box of maximum volume inscribed in a hemisphere of radius $r$

Published on 16 Apr 2026 - 14:33

34

Views

Question about finding minima using Minkowsky's inquality

Published on 10 Apr 2026 - 2:56

79

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Minimize $\frac{x^2}{x-9} $ given that $x > 9$

Published on 16 Apr 2026 - 13:44

51

Views

Minima of a two-variable function

Published on 09 Apr 2026 - 21:21

133

Views

Do absolute maxima and minima exist in this question?

Published on 12 Apr 2026 - 1:17

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Would it be nice if i change the definition of local maximum or local minimum?

Trying to understand $\max_{x} \max_{y} f(x,y) = \max_{x, y} f(x,y)$

Maximizing $e^{-x^2/2}\cosh(ax)$

Extremum of $x\cos(\theta)+y\sin(\theta)$

Extrema of a surface $z=f(x;y)$ when $det(H)=0$

How do I know if I've found the actual maximum value of an expression using the Cauchy inequality?

confusion about the meaning of a stationary integral

Showing that $\frac{9x^2\sin^2x + 4}{x\sin x}$ has a local minimum for $0 < x < \pi$

Higher order function's local extremum

Solutions of two minimisation problems

Box of maximum volume inscribed in a hemisphere of radius $r$

Question about finding minima using Minkowsky's inquality

Minimize $\frac{x^2}{x-9} $ given that $x > 9$

Minima of a two-variable function

Do absolute maxima and minima exist in this question?

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