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 = <int32> - size: [3 3] Columns 1 to 3 4 0 0 0 1 5 5 0 2 --> b = inv(a) b = <float> - size: [3 3] Columns 1 to 3 0.250 0.000 0.000 3.125 1.000 -2.500 -0.625 -0.000 0.500 --> a*b ans = <float> - size: [3 3] Columns 1 to 3 1 0 0 0 1 0 0 0 1 --> b*a ans = <float> - size: [3 3] Columns 1 to 3 1 0 0 0 1 0 0 0 1