This function has been superceded by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 = | . . . . -79 . . . . . . 42 . 86 . |
| . . . . . . . . . . . . . . . |
| . . . . . . . . . . . 1 . . . |
| . . . . . . . . . . . . . 60 . |
| . . . . . . . . . . . -79 . . . |
| . . . . . . . . . . . . . . . |
| . . -80 . . . -26 . . . . . . . . |
| . . . . . 96 . . . . . . . 81 . |
| . . . . . . . . -67 . . . -34 66 . |
| . . . . . . -89 . . . . . . . . |
o1 : MutableMatrix
|