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Questions tagged [math.net]
256 questions
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Simple Implementation of MATHNET Filtering Lowpass filter
I have created the following code:
Double[] ArrayOfData = new Double[Size] { 0.5, 1.5, ... , 1.0 };
var lowPass = MathNet.Filtering.IIR.IirCoefficients.LowPass(0, 0, 0);
MathNet.Filtering.IIR.OnlineIirFilter filter = new…
Maderas
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1 answer
MATH.NET Numerics \ Stable Distributions. Exception of type 'System.NotSupportedException'
I have been experiencing an Exception error (surprisingly) while performing some parallel statistical tests with Math.Net Numerics, and I'd like to know the rationale.
using MathNet.Numerics.Distributions;
....
var stable = new Stable(1.7, -0.7,…
dark.vador
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Align 2 sets of 3D points in Unity by using Singular Value Decomposition method (SVD)
I wanted to translate a set of reference points on contour to a set of corresponding target points. There are total 8 points on each contour.
In order to calculate the rotation & translation vector, I was using Math.Net Numerics library to perform…
mcmc
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- 6
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1 answer
Why does MathNet.Numerics.Control.UseManaged require Cuda?
I'm trying to test an ASP API controller which in turn calls out to a DLL which uses MathNet.Numerics.LinearAlgebra. I first call
MathNet.Numerics.Control.UseManaged();
However this call fails with the error
Exception thrown:…
dumbledad
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How to calculate Noncentral t-distribution
Using MathDotNet, which class would I use to calculate a Non Central T-Distribution?
I'm guessing the Student T class but can't workout the parameter required.
Thanks
Andrew Stewart
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BSpline Approximation Using MathDotNet
Does MathDotNet have any capability about data approximations by using b-splines? Unfortunately i couldn't find anything in the documentations!
Ehsan Mirsaeedi
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Fold by column in Math Net numerics, keeping track of number of columns
Using Math.Net numerics, I would like to do a task:
Fold through each column, and multiply that column's value by the index of my vector. The problem is, none of the folding functions yield a counter...and counting within the folding functions is…
Chris
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Numerical accuracy causing issues in Gottschalk's Oriented Bounding Box algorithm
I am trying to use Gottschalk's algorithm (code available here) to create an oriented bounding box (OBB) for 3D triangular meshes. Since I am dealing with meshes, I am using the covariance matrix and eigenvalue decomposition approach to create the…
Maghoumi
- 3,295
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Math.net data read in class method not assigned to class member
I have a class library with objects using Math.net. The library contains classes that contain data and methods. As a trial I am instantiating an object of a member class and then call the the load method to fill the object with data from a file.…
jdelange
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math.net numerics columnsum taking long time
What are the best practices to follow for math.net numerics matrices/vectors calculations in asp.net/c#.
I'm performing huge number of (10000*30*35) matrices calculations. I'm using Intel MKL provider and C#.Net TPL but still it's taking ~40 seconds…
malkam
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use beta distribution from mathdotnet in C# in VS2013
I ma using mathdotnet form C# in VS2013.
I need to generate a sequence of samples from
IEnumerable Samples(double a, double b)
at
http://numerics.mathdotnet.com/api/MathNet.Numerics.Distributions/Beta.htm#Samples
I do not know how to…
user3601704
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MathNet. RandomSource
The .Net package "MathNet.Numerics.Distributions" contains a method Normal(double mean, double stddev, Random randomSource).
The first two parameters are double which can easily be set. But the third parameter Random randdomSource is causing…
Ahmet Yildirim
- 11
- 1
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C# and Delphi code have different behaviour when importing unmanaged dll
I am solving sparse system of linear equations with Math.Net Numerics in C#.
I'm trying to export this code to dll (using Robert Giesecke's Unmanaged Exports) and run it from Delphi code.
Here is my C# code:
namespace MathNetSolverLib
{
public…
TKireev
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Math.Net Numerics: Error in sampling from Negative Binomial
I'm using Math.Net to sample values from an overdispersed Poisson distribution. I'm doing this using the negative binomial link, as described here: https://stat.ethz.ch/pipermail/r-help/2002-June/022425.html
My code currently looks like…
User_FSharp1123
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