returns a square zero-matrix of dimension NxN
(N)
| 400 | |
| 401 | |
| 402 | def squareZeroMatrix(N): |
| 403 | """ |
| 404 | returns a square zero-matrix of dimension NxN |
| 405 | """ |
| 406 | ans = [] |
| 407 | for i in range(N): |
| 408 | row = [] |
| 409 | for j in range(N): |
| 410 | row.append(0) |
| 411 | ans.append(row) |
| 412 | return Matrix(ans, N, N) |
| 413 | |
| 414 | |
| 415 | def randomMatrix(W, H, a, b): |