dd63489a-78ad-4cc5-86f8-09b40e0e6e45 4 2 5 false false 0 decimal
&[DATE] &[TIME] - &[FILENAME]
&[PAGENUM] / &[COUNT]

rand function as in Octave

_m _n rand i 1 _m range j 1 _n range a i j el 100 random : for 1 1 line for a 100 / 2 1 line :

randi function as in Octave

_rang _m _n randi i 1 _m range j 1 _n range a i j el _rang 1 el _rang 2 el 100 * _rang 1 el 100 * - random 100 / 0 round + : for for a 2 1 line :

Echelon form - from Maxima

_M echelon temp _M echelon MaximaDefine :

RREF function - (from Maxima "echelon")

_M rref _eM _M echelon : pivot 0 _M cols matrix : i 1 _eM rows range _eM i row 1 _eM cols matrix ≠ pivot pivot _eM i row stack eval : 1 1 line continue 1 1 line if 1 1 line for temp pivot reverse eval : i 1 temp rows range j 1 temp cols range temp i j el 0 ≠ pos i el j : break 2 1 line continue 1 1 line if 1 1 line for 1 1 line for result_p temp 1 row : i 2 temp rows range row_mod temp i row : k 1 i 1 - ( range sust_p temp i row pos k el ( el result_p k row * : row_mod row_mod sust_p - : 2 1 line for result_p result_p row_mod stack eval : 3 1 line for result_f result_p reverse eval _eM rows temp rows - _eM cols matrix stack : 8 1 line :

SIMPLE TEST: RAND - ECHELON - RREF

 1 1 0 0 0 0 1 1 1 1 1 0 1 1 1 0 0 0 0 0 1 0 0 0 0 5 5 mat 1 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 5 5 mat