Linear Algebra and the C Language/a0ff

__NOTOC__ Copy a matrix Copy an array of numbers into a matrix: ca_A_mR(); Copy a number into a matrix: c_s_mR(); Copy a matrix A into a matrix B: c_mR(); Copy rows and columns Copy a column or row from matrix A into matrix B : c_c_mR(); c_r_mR(); Copy a column (row) of matrix A into a row (column) of matrix B: c_c_r_mR(); c_r_c_mR(); Copy a row R1 into row R2 of a matrix: c_r1r2_mR(); Copy n rows of a matrix A into a matrix B: c_nr_mR(A,nR, B); Copy a diagonal matrix into a one-column matrix: c_D_c_mR(D,U); Copy a column matrix into a diagonal matrix: c_c_D_mR(U,D); Gauss-Jordan Utilities Copy A and b into Ab: c_A_b_Ab_mR(); Copy A from Ab to A, and b from Ab to b: c_Ab_A_mR(); ... c_Ab_b_mR(); Copy the submatrix of Ab into subA: c_Ab_subArxr_mR(); Copy b of the system Ab into the matrix invA: c_Inv_A_mR(); Index Matrix Utilities (R0) Copy a matrix with row zero (R0: column position index): c_withR0_mR(A,B); Copy a column with its index into another column: c_c_withR0_mR(A,C1, B,C2); Other utilities Copy the row vector U in reverse order: c_r_reverse_order_mR(U,V); Copy vector U into A as a Hankel matrix: c_Uc_r_mR(U,Cn, A,R2);