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November 19, 2009, 15:39 |
Triplet sparse
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#1 |
Senior Member
SinaJ
Join Date: Nov 2009
Posts: 136
Rep Power: 16 |
Hi,
I use triplet sparse form in my C++ code. but it doesn't work. My triplet form is not Ordered. it means that it is not like : A[0][0] ... A[0][n] .... A[N][0] ... A[N][N] . for examle : A= [ 0 0 2 0 0 3 4 0 0 0 0 4 0 0 3 0] is stored in this form : a=[4 , 3 , 3 , 2 , 4] i=[2, 1 , 3 , 0 , 1] j=[ 3 , 1, 2, 2, 2] my question is that : is triplet sparse form sensitive to INCREASING ORDER of I and J vectors? |
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