On 6/12/23 02:35, Vinayak Vijay wrote:

As per the output, I expect that columns 18-23 in rows 12-17 should be non-zero and vice versa. That is, the non-zero entries due to the above constraints should have been as highlighted in green in Image2.png. However, clearly, in Image2.png I see that this isn't the case. Columns 18-23 are non-zero in rows 6-11 (instead of rows 12-17) and vice versa (highlighted in blue).

I am not able to figure out this discrepancy. Can someone help?

Not being able to see the program that you used, it's hard to tell. But can you try and just output the constraints you get? AffineConstraints has a print() function (perhaps named differently) that should help here.

Best
 W.

--
------------------------------------------------------------------------
Wolfgang Bangerth          email:                 bange...@colostate.edu
                           www: http://www.math.colostate.edu/~bangerth/


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