Section: Transforms/Decompositions
y = inv(x)
Internally, the inv
function uses the matrix divide operators.
For sparse matrices, a sparse matrix solver is used.
--> a = randi(zeros(3),5*ones(3)) a = 1 1 4 1 0 1 0 4 1 --> b = inv(a) b = -0.3636 1.3636 0.0909 -0.0909 0.0909 0.2727 0.3636 -0.3636 -0.0909 --> a*b ans = 1.0000 0.0000 0 0 1.0000 0.0000 0 0 1.0000 --> b*a ans = 1.0000 0.0000 0.0000 0 1.0000 -0.0000 0 0 1.0000 --> quit