;
A = (2|4)~(8|6)
B = (5|6)~(7|8)
A + B ; addition of two matrices
;
A + 3 ; addition of matrix and scalar
A - (1|1) ; subtraction of vectror from matrix
;
E = #(2, 4)~#(8, 6)
F = #(1, 2)~#(3, 4)
;
mult1 = F * F ; matrix multiplication
mult2 = E * E ; matrix multiplication
mult1
mult2
;
mult3 = E.*F ; matrix elementwise multiplication
mult4 = F.*E ; matrix elementwise multiplication
mult3
mult4
library("xplore")
id=unit(3) ; identity matrix
;
det(A) ; determinant
;
inv(A) ; inverse matrix
A*inv(A)
;
trans(A) ; transpose
A' ; transpose