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1answer
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2
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0answers
64 views

How does Mathematica resolve symbolic systems of inequalities?

Before getting into my (probably annoying) question, let me provide some context: I recently started using Mathematica to automatically perform stability analyses that I previously did by hand. A ...
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0answers
21 views

Integer linear problem (ILP) example, with 3 constraints and an additional restriction? [migrated]

Say I have the following Integer Linear problem: $x_1 \geq$ 0 No. of Item A $x_2 \geq$ 0 No. of Item B $x_3 \geq$ 0 No. of Item C $x_4 \geq$ 0 No. of Item D Maximize z = ...
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0answers
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Simplifying an inequality inside an answer by parts

I have the following piece of code where I'm evaluating a probability of a variable v being greater than some threshold under a Uniform distribution. ...
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2answers
62 views

Why Mathematica cannot tell if Sqrt[Abs[u0^2 + v0^2/b^2]] is positive?

In the code below I was careful to declare all variables as real and to use Refine. Still, Mathematica cannot tell that a sum of squares is a positive number. What am I missing? Thanks to ...
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4answers
343 views

Solving puzzles with Mathematica

I would like to be able to solve logic puzzles such as the one described here using Mathematica. I have copied & pasted the listed example below to save on jumping about with hyperlinks: The ...
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3answers
83 views

Remove all “not equal” clauses from an expression

I am banging my head against the following question: how can I have Mathematica take cond = 2 a >= 3 b && 70 a >= 19 && 20 a != 13; and ...
2
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2answers
159 views

Given a system of inequalities, how to make Solve find out that two variables should be equal?

Given two boolean variables x1 and x2 (in the sense that they are in the range [0,1]), if I try to solve the following equation system with Solve: ...
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1answer
215 views

How to find the integer solution number of a linear system with inequalities?

I have the following system with mixed equality and inequalities defined as: ...
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3answers
282 views

How to count the integer grid numbers defined by inequalities?

I have the following code to show a red area defined by inequalities: ...
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3answers
144 views

Regarding how to use Reduce

Say for example I am doing the following in Mathematica ...
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1answer
134 views

Finding maximum/minimum value of system of inequalites

How would I get the maximum values for x1 and x2 given that I have plotted the region governed by the following system of ...
5
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1answer
87 views

Is there a way to check inequalities in Mathematica given restrictions?

Sorry if I'm still a noob, but is there a way to check inequalities in mathematica given some restrictions? For example how could one go about checking whether: Given $a,b,c\in\mathbb{R}$ and ...