KurtisAD/RAS-Preconditioner

Finite Difference For Test 1

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KurtisAD commented
Finite Difference For Test 1
vec4 commented

Added base implementation with fbf37cd. I need to verify some of the results in more details, but it looks correct at first glance. We can easily apply the preconditioner to the resulting matrix A (of size (M-1)^2 x (M-1)^2)

I will also update the writeup to include in the paper.

vec4 commented

Fixed some bugs and oversights. Results make sense now and the plots look good - see 62b1fda. Also verified the Poisson case (b1 = b2 = 0).