Initializing help system before first use

problem.nlpgetformula

Purpose
Retrieve a single matrix formula split into tokens
Synopsis
ntypes, type, value = problem.nlpgetformula(row, parsed, type, value)
Arguments
row 
The row (i.e. xpress.constraint object, index, or name) for the formula.
parsed 
Whether the formula of the row is to be returned in internal unparsed format ( parsed=False) or parsed (reverse Polish) format ( parsed=True).
type 
(optional) A list to populate with the token types for the formula.
value 
(optional) A list to populate with the values corresponding to type.
Return value
ntypes 
The number of tokens available.
type 
The token types for the formula.
value 
The values corresponding to type.
Example
The following example retrieves the formula tokens for row 0 in parsed format: 
_, type, value = p.nlpgetformula(0, True)
Further information
If you do not need the value of type or value, you can pass None for these arguments: no arrays will be allocated and None will be returned in their place.
Related topics
problem.nlpgetformulastr, problem.nlpchgformulastr, problem.nlpchgformula.

Parent Topic Xpress problem methods

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