Have you looked into numpy module? It is not specific to Sage, but it
should work. Also, the indexing is a little bit friendlier.
sage: import numpy
sage: C = numpy.array([[[[1, 2], [3, 4]], [[3, 4], [5, 6]]], [[[7, 8], [9,
10]], [[-1, -2], [-3, -4]]]])
sage: C
array([[[[ 1, 2],
[ 3, 4]],
[[ 3, 4],
[ 5, 6]]],
[[[ 7, 8],
[ 9, 10]],
[[-1, -2],
[-3, -4]]]])
sage: C[0]
array([[[1, 2],
[3, 4]],
[[3, 4],
[5, 6]]])
sage: C[0,1]
array([[3, 4],
[5, 6]])
sage: C[0,1,1]
array([5, 6])
sage: C[0,1,1,0]
5
On Sun, May 19, 2013 at 11:49 PM, P Purkayastha <[email protected]> wrote:
> On 05/20/2013 01:52 PM, Santanu Sarkar wrote:
>
>> Is the any way to write four dimensional array in Sage like C
>> int M[10][10][10][10]? For two dimensional case I use Matrix.
>>
>
> How do you intend to use it? You can simply create a nested list.
>
> sage: C = [[[[1,2], [3]], [[3], [4]]], [[[1,2],[3]],[[3],[4]]]]
> sage: C[0][1][1][0]
> 4
>
>
>
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