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Finding a solution of a non-square linear system with SVD

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#linear-algebra #matrices #matrix-equations #svd #pseudoinverse
54
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Solving system of equations so that it has no solution

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#matrix-equations
39
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How do I prove that $a\vec{v}=0$ if $a=0$ or $\vec{v}=0$ (where $a$ is a scalar and $\vec{v}$ is a vector)?

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#linear-algebra #proof-writing #vectors #matrix-equations
56
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Two diagonal matrices

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#matrices #matrix-equations #matrix-calculus #matrix-rank
3.2k
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If $A^2 = I$, then $\operatorname{rank} (A+I) + \operatorname{rank} (A-I) =n$

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#linear-algebra #matrices #matrix-equations #matrix-rank
59
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how to get the result of matrices

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#matrices #matrix-equations #matrix-decomposition #matrix-rank
421
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Find the general solution to non homogeneous linear equation

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#vectors #systems-of-equations #matrix-equations
81
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Determining solutions of a matrix equation with variables in matrix

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#matrices #matrix-equations
571
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Using Gaussian elimination to solve 3x3 matrix with unknown.

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#matrices #matrix-equations #gaussian-elimination
309
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Calculate $A$ from $ABA$=$C$ where $B$ and $C$ is known

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#linear-algebra #matrix-equations
71
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Logarithm of a matrix $A \in M_2 (\mathbb{C})$

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#matrices #matrix-equations #matrix-decomposition
51
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Finding a differential equation for $r=x\tan(x+c)$

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#calculus #matrix-equations #differential
1.1k
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Finding similarity transformation matrix for the companion matrix.

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#linear-algebra #matrices #eigenvalues-eigenvectors #matrix-equations #companion-matrices
37
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Redefining matrix as product of two different matrices

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#linear-algebra #matrices #matrix-equations
276
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How to check if any solution exists for a set of linear equations with non negative variables

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#matrices #linear-programming #matrix-equations #simplex #gaussian-elimination

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