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confused_engineer's latest activity
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confused_engineer
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Python
How can I evaluate a Chebishev polynomial in python?
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Thanks for the answer, but I am afraid that is exactly the problem. I need a function that returns the evaluation of a polynomial of...
Today, 1:56 AM
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confused_engineer
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Python
How can I evaluate a Chebishev polynomial in python?
in
Programming and Computer Science
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Hello everyone. I need to construct in python a function which returns the evaluation of a Chebishev polynomial of order k evaluated in...
Yesterday, 11:16 AM
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confused_engineer
replied to the thread
Mathematica
Defining a piecewise function in Mathematica
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Thank you very much. That was it.
Oct 9, 2019
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confused_engineer
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Dale's post
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Mathematica
Defining a piecewise function in Mathematica
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You need an extra pair of {...} to enclose all of the pieces of your piecewise function
Oct 9, 2019
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confused_engineer
posted the thread
Mathematica
Defining a piecewise function in Mathematica
in
MATLAB, Maple, Mathematica, LaTeX
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Hello everyone. I am trying to do a 2D Shannon interpolation, but I cannot use a sinc because later on this expression goes in an...
Oct 9, 2019
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confused_engineer
replied to the thread
A
Advice about interpolation
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Don't worry. In the end, I found out a way to do it using Shannon sampling in two dimensions. However, I am running in some issues, but...
Oct 9, 2019
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confused_engineer
replied to the thread
A
Advice about interpolation
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The thing is that I cannot use piecewise interpolation, the result goes then into ampl, an optimization software (in which I am...
Sep 30, 2019
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confused_engineer
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Advice about interpolation
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Do you have some theoretical relationship between x, y, and z? If not then why do you expect an R^2 greater than 0.6? Also, why are you...
Sep 30, 2019
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confused_engineer
replied to the thread
A
Advice about interpolation
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First of all, thanks for the answer. Second, my data doesn't have noise, since the data is the output of a prediction model (I don't...
Sep 30, 2019
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confused_engineer
posted the thread
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Advice about interpolation
in
Set Theory, Logic, Probability, Statistics
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Hello everyone. I have a vector of size 300321*3; the columns are X position, Y position and recorded data; I need to find the...
Sep 30, 2019
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