Substitute a value in a system of linear (in)equations
Description
Substitute a value in a system of linear (in)equations
Usage
1  subst_value(A, b, variables, values, remove_columns = FALSE)

Arguments
A 

b 

variables 

values 

remove_columns 

Value
A list
with the following components:
A
: theA
corresponding to the simplified sytem.b
: the constant vector corresponding to the new system
Details
A system of the form Ax <= b
can be simplified if one or more of the
x[i]
values is fixed.