5.51.2 Inverse of a matrix:
inv /
inv
takes as argument a square matrix
A
.
inv
returns the inverse matrix of
A
.
Input:
inv([[1,2],[3,4]])
or:
1/[[1,2],[3,4]])
or:
A:=[[1,2],[3,4]];1/A
Output:
[[-2,1],[3/2,1/-2]]