@sym
: inv (A) ¶Symbolic inverse of a matrix.
Examples:
A = sym([1 2; 3 4]); inv(A) ⇒ ans = (sym 2×2 matrix) ⎡-2 1 ⎤ ⎢ ⎥ ⎣3/2 -1/2⎦
If the matrix is singular, an error is raised:
A = sym([1 2; 1 2]); inv(A) -| ??? ... Matrix det == 0; not invertible...
See also: @sym/ldivide, @sym/rdivide.
Package: symbolic