lookup

VarDict1D.lookup(key)

Get the variable for the specified key, or zero if it is not found.

Parameters:

keykey

Returns:

docplex.mp.dvar.Var or 0

Examples

Create DOcplex model:

>>> from docplex.mp.model import Model
>>> mdl = Model()

Create index-set:

>>> nodes = IndexSet1D(['A', 'B', 'C'], name='node')

Add variables:

>>> from docplex_extensions import add_variables
>>> node_select = add_variables(mdl, nodes, 'B', name='node-select')

Lookup for keys:

>>> node_select.lookup('A')
docplex.mp.Var(type=B,name='node-select_A')

>>> node_select.lookup('Z')
0