docs: public boolean process(DMatrixRMaj A , int numSingularValues, DMatrixRMaj nullspace ) {
          decomposition.decompose(A);
  
          if( A.numRows > A.numCols ) {
              Q.reshape(A.numCols,Math.min(A.numRows,A.numCols));
              decomposition.getQ(Q, true);
          } else {
              Q.reshape(A.numCols, A.numCols);
              decomposition.getQ(Q, false);
          }
  
          nullspace.reshape(Q.numRows,numSingularValues);
          CommonOps_DDRM.extract(Q,0,Q.numRows,Q.numCols-numSingularValues,Q.numCols,nullspace,0,0);
  
          return true;
      }