List questions from linear-algebra

Published on 25 Mar 2026 - 4:42

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How many binary matrices such that no column contains all zeros?

Published on 27 Mar 2026 - 21:54

469

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Is there a way to solve a very complicated equation in one variable?

Published on 30 Mar 2026 - 4:00

307

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What are the $T$-invariant subspaces for the following shift operator $T$.

Published on 04 Apr 2026 - 21:52

169

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Proving that a set of functionals mapping $P_1(x)$ to the reals is a basis for the dual space of $P_1(x)$

Published on 25 Mar 2026 - 0:02

49

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Proving a theorem in linear algebra

Published on 17 Mar 2018 - 9:49

3.9k

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Given vector b, is vector x in the range of the linear transformation

Published on 28 Mar 2026 - 8:10

65

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Given $T(x_1,x_2)$, find a matrix $A$ such that $A[x_1,x_2] = [T]$

Published on 28 Mar 2026 - 6:24

63

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Compute matrix $BA$ if $AB$ is given

Published on 17 Mar 2018 - 12:42

1.5k

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How can I find the dimension of an eigenspace?

Published on 06 Apr 2026 - 2:27

918

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Prove that the determinant of a swap matrix is $-1$

Published on 06 Apr 2026 - 17:40

45

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What are the eigenvalues and eigeinvectors of $f(P) = (X - \alpha)(P'(X) + P'(\alpha)) - 2(P(X) - P(\alpha) )$.

Published on 17 Mar 2018 - 15:04

1.9k

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Significance of the matrix $A^2$?

Published on 01 Apr 2026 - 14:31

1.3k

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Determine the unit vector through a given plane

Published on 26 Mar 2026 - 22:13

71

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A problem about positive-define

Published on 01 Apr 2026 - 0:15

List Question

On the orbit decomposition of group of symmetries of a cube on the unit sphere

How many binary matrices such that no column contains all zeros?

Is there a way to solve a very complicated equation in one variable?

What are the $T$-invariant subspaces for the following shift operator $T$.

Proving that a set of functionals mapping $P_1(x)$ to the reals is a basis for the dual space of $P_1(x)$

Proving a theorem in linear algebra

Given vector b, is vector x in the range of the linear transformation

Given $T(x_1,x_2)$, find a matrix $A$ such that $A[x_1,x_2] = [T]$

Compute matrix $BA$ if $AB$ is given

How can I find the dimension of an eigenspace?

Prove that the determinant of a swap matrix is $-1$

What are the eigenvalues and eigeinvectors of $f(P) = (X - \alpha)(P'(X) + P'(\alpha)) - 2(P(X) - P(\alpha) )$.

Significance of the matrix $A^2$?

Determine the unit vector through a given plane

A problem about positive-define

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