5 REM MAT SUBTRACTION EXAMPLE
6 REM INDEX START FROM ZERO!
10 DIM A(1,1),B(1,1),C(1,1)
20 MAT READ A,B
30 MAT C=A-B
40 MAT PRINT C
50 REM EXPECTED [[-4 -3][4 3]]
60 DATA 1,2,7,4,5,5,3,1
99 END
