25 May 12:26 2015

### Save matrix to file

Dear all,

The matrix in sympy save as dictionary. I want to save a big matrix with size 30000x30000. Is there any method to save it to hard-disk driver? I tried with numpy but

it cannot work.

Thank you,

-- The matrix in sympy save as dictionary. I want to save a big matrix with size 30000x30000. Is there any method to save it to hard-disk driver? I tried with numpy but

it cannot work.

Thank you,

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