| width 120 | |
| dim a(7,7),b(7,7) | |
| mat read a | |
| mat print a; | |
| data 58,71,67,36,35,19,60 | |
| data 50,71,71,56,45,20,52 | |
| data 64,40,84,50,51,43,69 | |
| data 31,28,41,54,31,18,33 | |
| data 45,23,46,38,50,43,50 | |
| data 41,10,28,17,33,41,46 | |
| data 66,72,71,38,40,27,69 | |
| mat b=inv(a) | |
| mat print b | |
| print det |