This function has been superceded by
fillMatrix, which works over more rings, is much faster for large matrices, and is more flexible.
i1 : randomMutableMatrix(10,15,.9,100)
o1 = | . . . . . . . . . . . 95 8 . . |
| . . . . . . . . . . . . . . . |
| . -51 . 51 . . 7 . . . . . . . 45 |
| . . . . . . . . . . . . . . . |
| . -74 77 . . . . 14 . . . . . . . |
| . . . . . . . . . . . . -16 . . |
| . . . . . . . . . . . . . . . |
| . . . . -44 . . . . . 24 -50 . . . |
| . . . . . . . . . . . . . . . |
| . . . . . . . . . . . . . . . |
o1 : MutableMatrix
|