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0answers
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Simultaneous Equation Solving Under Nonnegative and Bounding Conditions

I have nonlinear equations to solve parametrically; ...
0
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2answers
42 views

Implementation of a condition in a Function

I have defined that stoptime {5, 2, 10, 2, 1, 11, 11, 1, 5, 11} and have the following function pvcosts = (-5/1.05^#) &[stoptime] Now I want that everytime "stoptime" is 11, the function gets ...
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2answers
120 views

Extracting data from a table under conditions

I have a very large table with two columns. Let's say the name of first column is E and the name of the second is P. How can I get the E values when P = 0.
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0answers
43 views

Else branch of If expression doesn't print [duplicate]

Possible Duplicate: Evaluating an If condition to yield True/False I am trying to print 1 when a is found and ...
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5answers
290 views

How to leave function unevaluated programmatically?

Is it possible to write a function in such manner, that it can be either evaluated or left unevaluated? This is a general question. Sample below is just a sample. No need to find solution for this ...
3
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1answer
209 views

How to implement Condition programmatically?

I am writing my own symbolic functions with custom symbolic properties. So often I wish to introduce some automatic simplifications or evaluations, which return the same head as it's argument. This ...
3
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3answers
143 views

How to set a function as a parameter?

In case I want to know whether a given function $f(t)$ have some property, I tried to write something like this: ...
3
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1answer
97 views

NExpectation not up to expectations with Boole or Conditioned

Context I am interested in computing numerically the number of extrema at a given threshold for random fields. These numbers are expectations of MultinormalDistributions. Problem This integral ...