Latest #mathematics Threads 
Adaptive Kalman Filter
This library ports an adaptive Kalman filter from FilterPy. There was an existing Kalman filter in Elixir however ...
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Say I have a list of players and I want to separate them into two teams of identical size. I want to know what are all the possibilities....
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Many years ago, I used a system called Yorick for doing array calculations. One feature that was really useful was a series of functions ...
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Dear All
I would like to do matrix multiplication in elixir. I haven’t found a library that does this. Nx.multiply/2 and Matrex.multip...
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I was finding myself needing a library to check for real-valued interval memberships. This was from writing libraries whose parameters mu...
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Hi,
I am trying to calculate the intersection over union for two oriented rectangles, like this picture;
I know there are lots of alg...
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Been tinkering with nostr lately. It’s a new open protocol being built in the wild. It has a possibility to disrupt centralized social ne...
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I’m trying to generate a list of numbers, where each number is a percentage smaller than the previous. Starting with 1. In the end I’ll n...
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Looking for a to code the Hadamard product without using a library. Still relatively new to Elixir so feeling a bit lost.
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I tried to modify an example from RosettaCode.org for a prime sieve algorithm. I’m not entirely sure I understood the original code. I tr...
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Dear All
I would like to do matrix multiplication in elixir. I haven’t found a library that does this. Nx.multiply/2 and Matrex.multip...
New
I was finding myself needing a library to check for real-valued interval memberships. This was from writing libraries whose parameters mu...
New
Say I have a list of players and I want to separate them into two teams of identical size. I want to know what are all the possibilities....
New
Many years ago, I used a system called Yorick for doing array calculations. One feature that was really useful was a series of functions ...
New
Adaptive Kalman Filter
This library ports an adaptive Kalman filter from FilterPy. There was an existing Kalman filter in Elixir however ...
New
Trending Over Three Years
Hello everyone,
I’m so glad to have discovered this awesome community. Thanks for creating it! This is my second post, and apologies for...
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Hello.
Trying to reverse an integer regardless of its sign I wrote the following algorithm:
int = -123456789 #=> Expected result -98...
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I know elixir is a functional programming language and this means can’t make a change state in some problems? Do I am missing something? ...
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With the recent addition of Numbers and some improvements of the documentation, Tensor now has reached version 1.0.0!
For people that d...
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If I have the string “12 * 12”, how can I evaluate the expression and return the resulting 144 as an integer. The string could ultimately...
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Hi. I’m new to elixir, so this could be obvious. I’m reading and writing to a device that uses a binary line format. The format is fixed....
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Hey, everyone!
Today I started writing a small library to perform computations with Complex Numbers. (ComplexNum, it is still very much...
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Sum:
I have used in production the folllowing formula for cosine similarity calculation:
(list_a and list_b are both the same length)
...
New
I’m trying to generate a list of numbers, where each number is a percentage smaller than the previous. Starting with 1. In the end I’ll n...
New
Just as the title says, I’m looking for a library specifically for linear programming to work in a program producing schedules. wiki
I’v...
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MatrexNumerix - Numeric stats library ported to (fast) nif based matrix library Matrex for fast stats and data-science.
I ported the Num...
New
Been tinkering with nostr lately. It’s a new open protocol being built in the wild. It has a possibility to disrupt centralized social ne...
New
I tried to modify an example from RosettaCode.org for a prime sieve algorithm. I’m not entirely sure I understood the original code. I tr...
New
Kalman Filter
The Kalman Filter is often used to filter data where you expect some noise. It does so by looking at the previous data poin...
New
I want to change format 2000 to 20.00
I want to put period “.” at last two digit in number
how can I do this?
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