Vijay:
The constraint matrix that I get from the above code is:
0 = 0
1 = 0
2 = 0
3 = 0
4 = 0
5 = 0
OK, so these all set DoFs 0...6 to zero.
12 18: 1
13 19: 1
14 20: 1
15 21: 1
16 22: 1
17 23: 1
And these say x_12=x_18, x_13=x_19, etc.
Are these all of the constraints you have? The pictures you show add whole
blocks of entries to the sparsity pattern, but the constraints you show above
do not support this. Something does not match.
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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