Initializing help system before first use

problem.getCols

Purpose
Returns the nonzeros in the constraint matrix for the columns in a given range.
Topic area
Problem Information
Synopsis
start, rowind, rowcoef = problem.getCols(first=0, last=COLS-1)
Arguments
first 
First column in the range.
last 
Last column in the range.
Return value
start 
Integer array containing the indices indicating the starting offsets in the rowind and rowcoef arrays for each requested column. Column i starts at position start[i] in the rowind and rowcoef arrays, and has start[i+1]-start[i] elements in it.
rowind 
Integer array containing the row indices of the nonzero coefficents for each column.
rowcoef 
Double array containing the nonzero coefficient values.
Further information
Arguments first, last may contain xpress.var objects instead of indices.
Related topics
problem.getRows.

Parent Topic Methods of the class problem

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