select_column

synopsis: select_column(OP a; INT i; OP b)

description:

this routine is more or less the same as for MATRIX objects, you transform the i-th column into VECTOR object, which contains the entries of the i-th column, if the i-th column is empty, you get an empty object.

Send comments or suggestions to:
symmetrica (at) symmetrica.de

this page was automatically generated on So Jan 4 10:36:17 CET 2009 on the machine btn6xf