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Dear all,

How to generate a matrix whose columns have fixed hamming weight in the finite field GF(2) ?

I hope for a fast method for a huge matrix, for example, rows 4000, columns 150000, weight 250.

Thanks all!

Dear all,

How to generate a matrix whose columns have fixed hamming weight in the finite field GF(2) ?

I hope for a fast method for a huge matrix, for example, rows 150000, columns 4000, columns 150000, weight 250.

Thanks all!