prints a matrix
printmat(mat,out)
* mat = the matrix to print
* out = the symbolic name of the file where the results are printed
* nothing: all results are printed on the specified file
x= grand(4,3,'nor',0,1) labels=['date\variable' 'junk' 'variable' 'unknown'] mat2=[string(1:4)' string(x)] printmat([labels ; mat2],%io(2))