Question 819786: If i am given matrix B and the solution to AB, how would if find matrix A
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
A * B = C
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given matrices B and C in the above equation, and not given matrix A, you can find matrix A like so:
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A = C * inverse(B)
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note that the above equation is generally NOT the same as:
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A = inverse(B) * C
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in other words, the order of matrix multiplication is important, and generally matrix multiplication is not commutative, that is, generally A*B is not the same as B*A
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how to calculate inverse(B) is quite involved and beyond the scope of this answer
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Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
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