Initializing help system before first use

problem.getrows

problem.getrows


Purpose
Returns the nonzeros in the constraint matrix for the rows in a given range.
Synopsis
problem.getrows (mstart, mclind, dmatval, size, first, last)
Arguments
mstart 
Array which will be filled with the indices indicating the starting offsets in the mclind and dmatval arrays for each requested row. It must be of length at least last-first+2. Column i starts at position mstart[i] in the mrwind and dmatval arrays, and has mstart[i+1]-mstart[i] elements in it. May be None if not required.
mclind 
Arrays which will be filled with at most size column of the nonzero elements for each row. May be None if not required.
dmatval 
Array which will be filled with at most size nonzero element values. May be None if not required.
size 
Maximum number of elements to be retrieved.
first 
First row in the range.
last 
Last row in the range.
Related topics

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