lusolve
x=lusolve(A, b)
x=lusolve(lu, b)
Solves the linear system A * x = b where A is an [n x n] matrix and b is a [n] column vector.
Try it yourself:
| $1 | a = [-2, 3; 2, 1]
| |
| $2 | b = [11, 9]
| |
| $3 | x = lusolve(a, b)
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