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But I am getting a failure.
I am using LinearSolverSparse<DMatrixSparseCSC, DMatrixRMaj> solver = LinearSolverFactory_DSCC.lu(FillReducing.NONE);
solver.setA returns false
Hello,
I am trying to decompose this matrix
0.5000,0.0000,-0.3333,0.0000,1.0000,0.0000,0.0000,-1.0000
-1.0000,1.0000,0.0000,0.0000,0.0000,0.0000,0.0000,0.0000
0.0000,-1.0000,1.0000,0.0000,0.0000,0.0000,0.0000,0.0000
0.0000,0.0000,0.0000,1.0000,0.0000,-4.0000,0.0000,0.0000
0.0000,0.0000,0.0000,0.0000,1.0000,-1.0000,0.0000,0.0000
0.3333,0.0000,-0.5000,0.0000,0.0000,1.0000,0.0000,-1.0000
0.0000,0.0000,0.0000,0.2000,0.0000,0.0000,1.0000,0.0000
1.0000,0.0000,-1.0000,0.0000,0.0000,0.0000,0.0000,3.0000
But I am getting a failure.
I am using LinearSolverSparse<DMatrixSparseCSC, DMatrixRMaj> solver = LinearSolverFactory_DSCC.lu(FillReducing.NONE);
solver.setA returns false
for reference this matrix can be decomposed:
https://matrixcalc.org/#LU-decomposition%28%7B%7B0%2e5,0,-0%2e3333,0,1,0,0,-1%7D,%7B-1,1,0,0,0,0,0,0%7D,%7B0,-1,1,0,0,0,0,0%7D,%7B0,0,0,1,0,-4,0,0%7D,%7B0,0,0,0,1,-1,0,0%7D,%7B0%2e3333,0,-0%2e5,0,0,1,0,-1%7D,%7B0,0,0,0%2e2,0,0,1,0%7D,%7B1,0,-1,0,0,0,0,3%7D%7D%29
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