List questions from problem-solving

Published on 15 Feb 2015 - 2:09

583

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How should a programmer store and solve simultaneous algebraic equations?

Published on 16 Feb 2015 - 5:23

77

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Prove that $a_i\leq 0$ for $i=1,2,...,N-1$?

Published on 16 Feb 2015 - 14:44

129

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Two rows or two columns with the same number of plusses

Published on 20 Feb 2015 - 9:58

73

Views

How to solve $h(i) = \frac{i^2}{(n-i)^2+i^2}h(i-1) + \frac{(n-i)^2}{(n-i)^2+i^2}h(i+1)$

Published on 20 Feb 2015 - 10:07

87

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Perimeter problem involving different sized sticks?

Published on 20 Feb 2015 - 11:28

52

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Is it possible to find out how many results were unexpected?

Published on 21 Feb 2015 - 11:17

205

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Partitioning positive divisors of 100!

Published on 02 Apr 2026 - 18:41

43

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Get function definition from an equation

Published on 23 Feb 2015 - 18:12

1.1k

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Local extension of smooth funtion to a embedded manifold

Published on 24 Feb 2015 - 22:18

61

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Solving a function for a variable, confusion

Published on 25 Feb 2015 - 22:03

1.4k

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Pigeonhole question about distinct sums

Published on 31 Mar 2026 - 8:02

910

Views

Frogs and switches - problem solving strategies

Published on 03 Mar 2015 - 13:03

116

Views

Solve $16x^{-3}=-2$

Published on 03 Mar 2015 - 22:46

69

Views

Find $\min\big\{ \lfloor xy + \frac{1}{xy} \rfloor \,\Big|\, (x+1)(y+1)=2 ,\, 0<x,y \in \mathbb{R} \big\}$

Published on 05 Mar 2015 - 13:54

List Question

Can problem solving be axiomatized?

How should a programmer store and solve simultaneous algebraic equations?

Prove that $a_i\leq 0$ for $i=1,2,...,N-1$?

Two rows or two columns with the same number of plusses

How to solve $h(i) = \frac{i^2}{(n-i)^2+i^2}h(i-1) + \frac{(n-i)^2}{(n-i)^2+i^2}h(i+1)$

Perimeter problem involving different sized sticks?

Is it possible to find out how many results were unexpected?

Partitioning positive divisors of 100!

Get function definition from an equation

Local extension of smooth funtion to a embedded manifold

Solving a function for a variable, confusion

Pigeonhole question about distinct sums

Frogs and switches - problem solving strategies

Solve $16x^{-3}=-2$

Find $\min\big\{ \lfloor xy + \frac{1}{xy} \rfloor \,\Big|\, (x+1)(y+1)=2 ,\, 0<x,y \in \mathbb{R} \big\}$

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