remove SuperLU. Testing constructor for SparseMatrix
[test] matrix transpose
[tested] MultiplyTranspose
back up - about to add union for sparse matrix
[tested] Sparsematrix
[complete test] SparseMatrix and SparseMatrixCV, remove unnecessary files
[SparseMatrix] int => unsigned
[SpaseMatrixCV] int => unsigned
Model Fitting ] int => unsigned
tested in visual studio
Merge branch 'code_block' into develop