Questions tagged [c++]

A powerful object oriented programming language.

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Permissive Math Library for Parameter Statistics in C++

I am looking for recommendations for a C++ math library, with a permissive licence, well suited to calculating a wide variety of statistics on segmentations of timebased parameter data. I would be ...
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2answers
219 views

$LU$ factorization

Our task is to implement a factorization routine that given A in a suitably efficient data structure returns the factors $L$ and $U$ where $L$ is unit lower triangular and $U$ is upper triangular. In ...
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1answer
706 views

Understanding and implementing the Fast Fourier Transform

I need to write the fast fourier transform in C++ and I am referring to this formula from wikipedia: But for some reason I am not getting the correct output when I simply enter (1,1) (1,1) (1,1) (1,...
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1answer
4k views

C++ - Expression must be modifiable lvalue [closed]

I am new to C++. I am trying to set up a very basic TCG game (with only minion with no text). I think my issue might be linked with pointer. Below are the functions and attributes: ...
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1answer
2k views

How to implement Lagrangian/Polynomial Interpolation for my C++ Code?

I have a working C++ function: ...
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1answer
244 views

How to solve this differential equation using RK4 in C++?

I have been given the following homework question to solve: I am having trouble writing a RK4 solver in C++ for this ODE. I am also not sure how to plot my solution. Here is my code so far: ...
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1answer
295 views

Solving electron density function for Hydrogen and drawing in 3D

I recently stumbled upon interesting site that has interactive 3D representation of radial electron distribution (atomic orbital). here is the url: http://winter.group.shef.ac.uk/orbitron/AOs/1s/e-...