Initializing help system before first use

problem.getRows

Purpose
Returns the nonzeros in the constraint matrix for the rows in a given range.
Topic areas
Problem Information, Optimizer
Synopsis
start, colind, colcoef = problem.getRows(first=0, last=ROWS-1)
Arguments
first 
First row in the range.
last 
Last row in the range.
Return value
start 
Integer array containing the indices indicating the starting offsets in the colind and colcoef arrays for each requested row. Row i starts at position start[i] in the colind and colcoef arrays, and has start[i+1]-start[i] elements in it.
colind 
Integer array containing the column indices of the nonzero elements for each row.
colcoef 
Double array containing the nonzero element values.
Further information
Arguments first, last may contain xpress.constraint objects instead of indices.
Related topics
problem.getCols, problem.getRowType.

Parent Topic Methods of the class problem

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