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Results tagged with factorization
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user 4750
Questions on factoring various types of mathematical expressions, with the use of Factor, FactorInteger, FactorSquareFree and related commands.
4
votes
Accepted
Factor multiplied matrix with vector
I found the solution. It's simply:
Table[Coefficient[B[[i]],#]&/@X,{i,Length[B]}]
This will go through each element of B, and check the coefficient of each element of X for that B element, creating …
2
votes
3
answers
816
views
Factor multiplied matrix with vector
Say I have a matrix multiplication of the form
$$ B = A \cdot x $$
or
$$
\begin{align}
\begin{pmatrix}
a_{11} x_1 + a_{12} x_2 + a_{13} x_3 \\
a_{21} x_1 + a_{22} x_2 + a_{23} x_3 \\
a_{31} x_1 …