Lines Matching refs:column
85 EquationSystem::InRange(int32 row, int32 column)
89 if (column < 0 || column >= fColumns)
96 EquationSystem::A(int32 row, int32 column)
98 return fMatrix[fRowIndices[row]][fColumnIndices[column]];
162 TRACE("can't solve column %i\n", i);
276 EquationSystem::_EliminateColumn(int32 column, int32 startRow, int32 endRow)
278 double value = fMatrix[fRowIndices[column]][fColumnIndices[column]];
280 for (int j = column; j < fColumns; j++)
281 fMatrix[fRowIndices[column]][fColumnIndices[j]] /= value;
282 fB[column] /= value;
286 if (r == column)
288 double q = -fMatrix[fRowIndices[r]][fColumnIndices[column]];
293 for (int c = column; c < fColumns; c++)
295 += fMatrix[fRowIndices[column]][fColumnIndices[c]] * q;
297 fB[r] += fB[column] * q;