Revision history [back]
 | 1 | initial version |
You're almost there!
sage: a = matrix(3, 3, range(9))
sage: b = a[::-1,:]
sage: c = a[:,::-1]
sage: d = a[::-1,::-1]
sage: a, b, c, d
(
[0 1 2] [6 7 8] [2 1 0] [8 7 6]
[3 4 5] [3 4 5] [5 4 3] [5 4 3]
[6 7 8], [0 1 2], [8 7 6], [2 1 0]
)
| | 2 | No.2 Revision |
You're almost there!
sage: a = matrix(3, 3, range(9))
sage: b = a[::-1,:]
a[::-1,:] # reverse lines
sage: c = a[:,::-1]
a[:,::-1] # reverse columns
sage: d = a[::-1,::-1]
a[::-1,::-1] # reverse both
sage: a, b, c, d
(
[0 1 2] [6 7 8] [2 1 0] [8 7 6]
[3 4 5] [3 4 5] [5 4 3] [5 4 3]
[6 7 8], [0 1 2], [8 7 6], [2 1 0]
)
