| 164 | 164 | def _blockmul(self, other): |
| 165 | 165 | if (isinstance(other, BlockMatrix) and |
| 166 | 166 | self.colblocksizes == other.rowblocksizes): |
| 167 | return BlockMatrix(self.blocks*other.blocks) | |
| 167 | # Perform block multiplication | |
| 168 | result_blocks = self.blocks * other.blocks | |
| 169 | ||
| 170 | # Convert Zero objects back to ZeroMatrix with appropriate dimensions | |
| 171 | from sympy.core.numbers import Zero | |
| 172 | from sympy.matrices.expressions.matexpr import ZeroMatrix | |
| 173 | ||
| 174 | def convert_zero_to_zeromatrix(mat, i, j): | |
| 175 | if isinstance(mat, Zero): | |
| 176 | # Determine the dimensions for the ZeroMatrix | |
| 177 | # The result block at position (i,j) should have: | |
| 178 | # rows = self.rowblocksizes[i] (rows of ith row block from self) | |
| 179 | # cols = other.colblocksizes[j] (cols of jth col block from other) | |
| 180 | rows = self.rowblocksizes[i] | |
| 181 | cols = other.colblocksizes[j] | |
| 182 | return ZeroMatrix(rows, cols) | |
| 183 | return mat | |
| 184 | ||
| 185 | # Apply the conversion to each element in the result matrix | |
| 186 | # We need to pass indices to our conversion function | |
| 187 | from sympy.matrices.immutable import ImmutableDenseMatrix | |
| 188 | data = [[convert_zero_to_zeromatrix(result_blocks[i, j], i, j) | |
| 189 | for j in range(result_blocks.cols)] | |
| 190 | for i in range(result_blocks.rows)] | |
| 191 | corrected_blocks = ImmutableDenseMatrix(data) | |
| 192 | ||
| 193 | return BlockMatrix(corrected_blocks) | |
| 168 | 194 | |
| 169 | 195 | return self * other |
| 170 | 196 |
| Test Name | Status |
|---|---|
test_zero_matrix_add | Fail |
test_issue_17624 | Pass |
test_bc_matmul | Pass |
test_bc_matadd | Pass |
test_bc_transpose | Pass |
test_bc_dist_diag | Pass |
test_block_plus_ident | Pass |
test_BlockMatrix | Pass |
test_block_collapse_explicit_matrices | Pass |
test_BlockMatrix_trace | Pass |
test_BlockMatrix_Determinant | Pass |
test_squareBlockMatrix | Pass |
test_BlockDiagMatrix | Pass |
test_blockcut | Pass |
test_reblock_2x2 | Pass |
test_deblock | Pass |
test_sort_key | Pass |
test_matadd_sympify | Pass |
test_matadd_of_matrices | Pass |
test_doit_args | Pass |
test_generic_identity | Pass |
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