List questions from computational-mathematics

Published on 25 Mar 2026 - 6:26

93

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Is signum a computable function?

Published on 22 Apr 2020 - 9:46

363

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Prove by mathematical induction that for every integer n that is greater than or equal to zero, 5 divides 6n+1 − 1.

Published on 22 Apr 2020 - 18:36

130

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Is there any other method to generate nonsingular (invertible) matrices?

Published on 23 Apr 2020 - 14:03

105

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Is it sufficient that if graph is bipartite and have some vertex degrees that corresponds to any grid graph is a grid?

Published on 26 Mar 2026 - 9:27

72

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Proving two functions are equal each other

Published on 25 Apr 2020 - 6:45

355

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Computational check whether $G\cong \tilde G$

Published on 28 Apr 2020 - 12:08

417

Views

Implementing QR Algorithm from Golub & Van Loan's "Matrix Computations" - notation and operation assistance

Published on 28 Apr 2020 - 17:34

76

Views

On a Hyperdeterminant Computation of Cayley

Published on 26 Mar 2026 - 1:28

162

Views

Order of accuracy for non-smooth solutions and non-smooth local truncation errors

Published on 23 Feb 2026 - 2:57

52

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Which precomputations can be performed to invert product of positive symmetric matrices faster?

Published on 27 Mar 2026 - 17:57

389

Views

Is the predictor-corrector scheme A-stable?

Published on 26 Mar 2026 - 14:17

44

Views

Sets, subsets and Cartesian product.

Published on 26 Mar 2026 - 23:04

210

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Should I waste my time with wolfram alpha to solve such problem like $x^3+y^3+z^3=390$?

Published on 25 Mar 2026 - 19:04

27

Views

How to efficiently calculate $(\sum {\bf M}^T{\bf DM}) {\bf v}$ for diagonal $\bf D$s and convolutional $\bf M$s?

Published on 16 May 2020 - 8:51

List Question

Help with recursive function

Is signum a computable function?

Prove by mathematical induction that for every integer n that is greater than or equal to zero, 5 divides 6n+1 − 1.

Is there any other method to generate nonsingular (invertible) matrices?

Is it sufficient that if graph is bipartite and have some vertex degrees that corresponds to any grid graph is a grid?

Proving two functions are equal each other

Computational check whether $G\cong \tilde G$

Implementing QR Algorithm from Golub & Van Loan's "Matrix Computations" - notation and operation assistance

On a Hyperdeterminant Computation of Cayley

Order of accuracy for non-smooth solutions and non-smooth local truncation errors

Which precomputations can be performed to invert product of positive symmetric matrices faster?

Is the predictor-corrector scheme A-stable?

Sets, subsets and Cartesian product.

Should I waste my time with wolfram alpha to solve such problem like $x^3+y^3+z^3=390$?

How to efficiently calculate $(\sum {\bf M}^T{\bf DM}) {\bf v}$ for diagonal $\bf D$s and convolutional $\bf M$s?

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