Question: How to solve a linear system using Arrays ?

I need to solve a big linear system (sparse, if it helps). I first used the "Matrices" and it worked perfectly, but then the matrix got bigger and I got the message "assigning to a long list, please use Arrays". So I learned how to manipulate Arrays and basically wrote the whole program again, but I couldn´t find how to solve A.X=B when A and B are Arrays. And it seems like nobody talks about that on the internet :( please don´t tell me that in 2012, with maple 15, one needs to implement big linear algebra by oneself.

Thanks !

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