Initializing help system before first use

# problem.loadSecureVecs

Purpose
Allows the user to mark rows and columns in order to prevent the presolve removing these rows and columns from the matrix.
Topic areas
Data Input, Presolve, Optimizer
Synopsis
`problem.loadSecureVecs(rowind=None, colind=None)`
Arguments

rowind: list[constraint] | Integer array containing the rows to be marked. May be None if not required.
colind: list[var] | Integer array containing the columns to be marked. May be None if not required.

Further information
1. This function cannot be called while the current problem is being solved or when it is in an interrupted state. Use problem.postSolve to restore the problem to a non-solving state.
2. Argument rowind may contain either xpress.constraint objects or integer indices.
3. Argument colind may contain either xpress.var objects or integer indices.
Related topics
the Optimizer Reference Manual.
Parent Topic Xpress problem object methods

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