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Julius Muschaweck


JMO GmbH

Last seen: circa 2 mesi ago |  Active since 2021

Contact

I'm a freelance physicist, specializing in illumination optics. I am an experienced optical design expert, and I teach courses on illumination optics. For more: https://www.jmoptics.de

Programming Languages:
C++, MATLAB, Visual Basic
Spoken Languages:
English, German

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  • Personal Best Downloads Level 1
  • Knowledgeable Level 2
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  • GitHub Submissions Level 1
  • 3 Month Streak
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Answered
How to compute uv coordinates for an arbitrary quad?
With A == [Ax, Ay], etc, and a point P == [Px,Py] for certain u,v, the first step is indeed to subtract A from B, C, D and P, ef...

2 mesi ago | 0

Submitted


JMO_Spectrum
Matlab tool set for working with spectra, i.e. functions of wavelength (create, add, multiply, compute color coordinates and muc...

4 mesi ago | 4 downloads |

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Answered
Unrecognized function or variable "Run Python script file from MATLAB"
In my Matlab 2021a, I get the same error message. In the online documentation, it says "Introduced in R2021b". It seems you're...

10 mesi ago | 0

| accepted

Answered
What should be the distance between the two cameras?
With a stereo vision camera pair, intended to create pairs of images for 3D vision, the key quantity is the "stereo angle": The ...

circa un anno ago | 1

Answered
Extracting positive and negative element of a matrix?
Use logical indexing: A = rand(10,10, 10) - 0.5; % contains random numbers in [-0.5, 0.5] B = zeros(10, 10, 10); % prealloca...

circa un anno ago | 0

| accepted

Answered
AUC between different size curves
I would use interp1 to interpolate both functions so they have the same high resolution x support. You can easily replace the 0....

circa un anno ago | 0

| accepted

Answered
angular data spline interpolation
Your x has five values, your y has seven values. This is a mismatch. I think you should use y = [0 1 0 -1 0; 1 0 -...

circa un anno ago | 0

| accepted

Answered
Using fprintf to save a matrix changes the order of my matrix
Your matrix does not change. You are outputting the values in your matrix, six numbers per line, as it is stored internally. And...

oltre un anno ago | 0

Answered
Extract variables from a text data and add them to an array to plot a graph
Inspired by https://uk.mathworks.com/matlabcentral/fileexchange/17177-ini2struct Your example input is attached as SomeNameValu...

oltre un anno ago | 0

Answered
Extract data between thresholds
I believe logical indexing and the diff function are what you need. % create and plot something like your data x = 0:300; % so...

oltre un anno ago | 0

Answered
Importing 3 spectrum data, plot representative spectrum for each sample all in same figure
It's hard to reproduce what you did without the jpeg files. But, maybe hold on is what you need: figure(); plot([1 2],[1 2])...

oltre un anno ago | 0

Answered
clear a MATLAB function after an episode
Assuming your function has the name f, you can use clear f; to clear persistent variables within f. Like here: function f() ...

oltre un anno ago | 0

Answered
How to add a little white space around the figures by using "print" command?
A simple plot as an example: figure() plot([1 2], [1 2]); set(gcf,'position',[400, 200, 560, 315],'PaperOrientation', 'landsc...

oltre un anno ago | 0

| accepted

Answered
Finding position of value in an array
clear all; close all; clc; y = [-3.2628 -2.4774 -1.6920 -0.9066 -0.1212 0.6642 1.4496 2.2350 3.0204]; x=-2...

oltre un anno ago | 1

Answered
Creating a function with equation as an input
Your "equation" seems to be a function depending on p, p1, q, q1. I would use an anonymous function to model this behavior. An...

oltre un anno ago | 0