This function has been superceded by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 = | . . . -55 . . . . . . . . -93 . . |
| . . . . . . . . . . . . . . . |
| . . . . . 17 . . . . . . . . . |
| . . . . . . . . . . . . . . . |
| . . . . . . . . . . . . . . . |
| . . 39 . . . . . . . . . . . . |
| . . . . . . . . . . . . . 83 . |
| . . . . . . . . . . . . . . . |
| . . . . . . . . 70 . . -85 87 . . |
| . . . . . . . . . . . . . . . |
o1 : MutableMatrix
|