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Interactive simple Method

asked 2019-09-14 03:54:40 -0600

Cyrille gravatar image

updated 2019-09-14 09:15:39 -0600

FrédéricC gravatar image

The interactive simplex method is a very nice pedagogical tool. But it seems to work only with 2 variables. Could it be expanded at least until 3/4 and more constraints. I plan to use it to teach and do exams in a computer room if it is possible to expand it ?

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answered 2019-09-14 10:05:17 -0600

rburing gravatar image

The documentation shows many examples with two variables, but in fact there is no restriction on the number of variables or constraints. Example with three variables and three constraints:

A = ([1, 1, 0], [3, 1, 0], [0, 0, 1])
b = (1000, 1500, 20)
c = (10, 5, 1)
P = InteractiveLPProblem(A, b, c, ["C", "B", "A"], variable_type=">=")
show(P)
P = P.standard_form()
P.run_simplex_method()

Three variables and two constraints:

A = ([1, 1, 0], [3, 1, 0])
b = (1000, 1500)
c = (10, 5, 1)
P = InteractiveLPProblem(A, b, c, ["C", "B", "A"], variable_type=">=")
show(P)
P = P.standard_form()
P.run_simplex_method()

Etc.

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Asked: 2019-09-14 03:54:40 -0600

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Last updated: Sep 14 '19