Question: solving a linear equation subject to certain constraint

December 19 2013 key01023 15

0

In my research a I need to solve the linear equation (getting its null space) under some constraints.

The matrix is given below:

 

The constraints shall be (x[1]...x[16]>0, x[17]...x[20] arbitary...)

The solutions shall actually be a canonical combination of a lot of vectors, (canonical combination means possitive sums of vectors). And I wish to get those vectors. is there a way that I could achieve this by Maple?

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