Question

Finding The Least Integer Value

score 109 · Answer 1 · 2023-11-11 08:21:55

109

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Finding The Least Integer Value

Published on 11 Nov 2023 - 8:21

score 215 · Answer 2 · 2023-11-11 21:59:07

215

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Optimization of a linear PDE and operator formalism

Published on 11 Nov 2023 - 21:59

score 51 · Answer 3 · 2026-03-26 07:35:21

51

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Find all possible values of $H(x,y,z,t) = \frac{x}{t+x+y}+\frac{y}{x+y+z}+\frac{z}{y+z+t}+\frac{t}{z+t+x}$ if $x, y, z, t > 0$.

Published on 26 Mar 2026 - 7:35

score 149 · Answer 4 · 2026-03-29 04:42:43

149

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How do you determine local minima from 2D plot?

Published on 29 Mar 2026 - 4:42

score 190 · Answer 5 · 2023-11-13 10:17:10

190

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How to write $\min\{a,k\}+\min\{b,k\}$ as one min?

Published on 13 Nov 2023 - 10:17

score 198 · Answer 6 · 2023-11-13 19:41:41

198

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Find the minimum value of $f(a,b) = 5 - 2ab -4(a - b)$ subject to $a^2+b^2 = 1$ without calculus

Published on 13 Nov 2023 - 19:41

score 80 · Answer 7 · 2023-11-14 12:16:14

80

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Finding minimum in functions of 2 variables

Published on 14 Nov 2023 - 12:16

score 53 · Answer 8 · 2026-04-01 23:13:20

53

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Minimal area of triangle in coordinate system

Published on 01 Apr 2026 - 23:13

score 87 · Answer 9 · 2023-11-17 05:55:34

87

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Strictly positive absolute maximum of a continuous function vanishing at infinity

Published on 17 Nov 2023 - 5:55

score 128 · Answer 10 · 2023-11-17 22:57:00

128

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Find the maximum difference between the limits of integration

Published on 17 Nov 2023 - 22:57

score 33 · Answer 11 · 2023-11-18 03:57:09

33

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Does the converse of the first derivative test hold for isolated extrema?

Published on 18 Nov 2023 - 3:57

score 158 · Answer 12 · 2023-11-22 23:26:56

158

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Does $f(t)+sf\left(\frac{r-t}{s}\right)$ have local extrema at $r/(s+1)$ and $-r/(s-1)$ for $s > 1$, $r \neq 0$.

Published on 22 Nov 2023 - 23:26

score 67 · Answer 13 · 2023-11-23 11:13:49

67

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Prove that we have a local maximum at $0$ for this function involving a little-o estimate and a symmetric positive-definite matrix

Published on 23 Nov 2023 - 11:13

score 98 · Answer 14 · 2026-04-03 08:03:36

98

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Finding $\small{\min\limits_{ab+bc+ca=1}\sqrt{a+2}+\sqrt{b+2}+\sqrt{c+2}- \sqrt{2-abc}.}$

Published on 03 Apr 2026 - 8:03

score 147 · Answer 15 · 2023-11-24 05:08:12

147

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Maximum value of $(1-a)(1-b)+(1-p)(1-q)$

Published on 24 Nov 2023 - 5:08

List Question

Finding The Least Integer Value

Optimization of a linear PDE and operator formalism

Find all possible values of $H(x,y,z,t) = \frac{x}{t+x+y}+\frac{y}{x+y+z}+\frac{z}{y+z+t}+\frac{t}{z+t+x}$ if $x, y, z, t > 0$.

How do you determine local minima from 2D plot?

How to write $\min\{a,k\}+\min\{b,k\}$ as one min?

Find the minimum value of $f(a,b) = 5 - 2ab -4(a - b)$ subject to $a^2+b^2 = 1$ without calculus

Finding minimum in functions of 2 variables

Minimal area of triangle in coordinate system

Strictly positive absolute maximum of a continuous function vanishing at infinity

Find the maximum difference between the limits of integration

Does the converse of the first derivative test hold for isolated extrema?

Does $f(t)+sf\left(\frac{r-t}{s}\right)$ have local extrema at $r/(s+1)$ and $-r/(s-1)$ for $s > 1$, $r \neq 0$.

Prove that we have a local maximum at $0$ for this function involving a little-o estimate and a symmetric positive-definite matrix

Finding $\small{\min\limits_{ab+bc+ca=1}\sqrt{a+2}+\sqrt{b+2}+\sqrt{c+2}- \sqrt{2-abc}.}$

Maximum value of $(1-a)(1-b)+(1-p)(1-q)$

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