# Questions tagged [matrix-equations]

This tag is for questions related to equations, with matrices as coefficients and unknowns. A matrix equation is an equation in which a variable stands for a matrix .

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### If there exists $E$ and $F$ square matrices such that $EA=B$ and $FB=A$, then there exists invertible matrix $G$ such that $GA=B$?

there exists $E$ and $F$ square matrices such that $EA=B$ and $FB=A$, then there exists invertible matrix $G$ such that $GA=B$? I'm needing a way too detailed proof or a simple counter-example, 'cos ...
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### What is Wrong with the Solution to this Discrete Dynamical System?

I am supposed to solve the discrete dynamical system 𝑥_k+1=A*x_k, and I have been given both the matrix A and x_O (please see the picture below). I started out by calculating the eigenvalues and then ...
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### 3d Camera View Volume

Suppose I have 80x80x80 cube with the center point located at (0,0,0) as the condition drawn below: : I want to convert this parallel projection view volume into a canonical view volume. I have ...