Question

Absolute max and min of $f(x, y) = x^{2} + 3y^{2} - y$ over the region $x^{2} + 2y^{2} \leq 1$

score 1.9k · Answer 1 · 2018-02-16 12:42:49

1.9k

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Absolute max and min of $f(x, y) = x^{2} + 3y^{2} - y$ over the region $x^{2} + 2y^{2} \leq 1$

Published on 16 Feb 2018 - 12:42

score 58 · Answer 2 · 2018-02-17 16:58:04

58

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Find Maximum of this Function

Published on 17 Feb 2018 - 16:58

score 844 · Answer 3 · 2018-02-18 10:41:58

844

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If $x+y+z=2$, what is the max value of $xyz^2$?

Published on 18 Feb 2018 - 10:41

score 186 · Answer 4 · 2018-02-18 23:40:50

For $x, y \in \mathbb{R}$, prove that $\max(x, y) = \frac{x + y + |x - y|}{2},$ and $\min(x, y) = \frac{x + y - |x - y|}{2}$.

score 1.2k · Answer 5 · 2026-03-24 19:01:21

1.2k

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Ways to tell whether the domain given by a constraint is compact?

Published on 24 Mar 2026 - 19:01

score 143 · Answer 6 · 2026-03-24 21:59:38

143

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Find the maximum value of given expression

Published on 24 Mar 2026 - 21:59

score 208 · Answer 7 · 2018-02-21 17:39:46

208

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min max and range of the matrix: How to mathematically write that?

Published on 21 Feb 2018 - 17:39

score 35 · Answer 8 · 2018-02-21 17:52:20

35

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Minimize $\text{Cost}(j_1, ..., j_n)=\sum_{i=1}^{n-1}T_{j_i}\left( \sum_{k=i+1}^{n}L_{j_k} \right)$

Published on 21 Feb 2018 - 17:52

score 29 · Answer 9 · 2018-02-21 19:30:58

29

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Product of two functions with opposite sense of variation

Published on 21 Feb 2018 - 19:30

score 82 · Answer 10 · 2018-02-21 20:57:19

82

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Prove that there exists no maximum for the following?

Published on 21 Feb 2018 - 20:57

score 224 · Answer 11 · 2018-02-22 11:34:19

224

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Find the maximum of harmonic mean of coordinate

Published on 22 Feb 2018 - 11:34

score 121 · Answer 12 · 2018-02-23 15:59:37

For real numbers $x,y$ satisfy the condition $x^2+5y^2-4xy+2x-8y+1=0$. Find the Maximum and Minimum Value of the expression $A=3x-2y$.

score 200 · Answer 13 · 2026-03-25 04:40:32

200

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Maximize sum of exponentials with constraints to their constants

Published on 25 Mar 2026 - 4:40

score 580 · Answer 14 · 2018-02-25 00:43:54

580

Views

Max and min values of the sum of cosines?

Published on 25 Feb 2018 - 0:43

score 65 · Answer 15 · 2026-03-22 16:26:21

65

Views

It seems that max value will occur at $a=1$.

Published on 22 Mar 2026 - 16:26

List Question

Absolute max and min of $f(x, y) = x^{2} + 3y^{2} - y$ over the region $x^{2} + 2y^{2} \leq 1$

Find Maximum of this Function

If $x+y+z=2$, what is the max value of $xyz^2$?

For $x, y \in \mathbb{R}$, prove that $\max(x, y) = \frac{x + y + |x - y|}{2},$ and $\min(x, y) = \frac{x + y - |x - y|}{2}$.

Ways to tell whether the domain given by a constraint is compact?

Find the maximum value of given expression

min max and range of the matrix: How to mathematically write that?

Minimize $\text{Cost}(j_1, ..., j_n)=\sum_{i=1}^{n-1}T_{j_i}\left( \sum_{k=i+1}^{n}L_{j_k} \right)$

Product of two functions with opposite sense of variation

Prove that there exists no maximum for the following?

Find the maximum of harmonic mean of coordinate

For real numbers $x,y$ satisfy the condition $x^2+5y^2-4xy+2x-8y+1=0$. Find the Maximum and Minimum Value of the expression $A=3x-2y$.

Maximize sum of exponentials with constraints to their constants

Max and min values of the sum of cosines?

It seems that max value will occur at $a=1$.

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