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Stephan


Last seen: 9 mois il y a Actif depuis 2017

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Knowledge means knowing where it is written... Interested in: - Optimization - Mathematical Modelling - Improvement of my programming skills

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Réponse apportée
optimization with two-part value range
You could try to define 2 variables x1 and x2 as the solution. x1 is an integer that assumes either 0 or 1 and x2 corresponds to...

presque 2 ans il y a | 0

| A accepté

Réponse apportée
Genetic Algorithm 'bitstring' not accepting constrains
Considering this hint in the documentation, you should use the integer condition for the corresponding variables and set the lim...

plus de 3 ans il y a | 0

Question


How to choose between different licenses in MATLAB Online?
Im taking part in some online courses using Matlab. For this courses there is a license for Matlab online to work through the co...

plus de 3 ans il y a | 2 réponses | 1

2

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Réponse apportée
Bar plot for two matrices together
https://de.mathworks.com/help/matlab/ref/bar.html?searchHighlight=bar&s_tid=srchtitle_bar_1#bug9u7m-1 Every column stands for a...

plus de 3 ans il y a | 0

Réponse apportée
How to plot an oscillator?
You can plot it 2 ways - i dont know what is "correct" for your case... For me both are correct - depending on what you want to ...

plus de 3 ans il y a | 0

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Réponse apportée
How can I solve in the error?
%clear all, clc; % clear all memory and variables x = linspace(-1,1); % create linear spacing in x-direction y = linspace(...

plus de 3 ans il y a | 0

Réponse apportée
calculate and fill an area between a line and a curve
A similar discussion here: <https://de.mathworks.com/matlabcentral/answers/1870667-i-got-the-problem-with-polyshape-please-help...

plus de 3 ans il y a | 0

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Réponse apportée
Can someone help me with the representation of the signals?
|*plot*| can not show one single point. Use at least 2 points for w to get a plot - or use |*scatter*|. w=0:10:500; To ...

plus de 3 ans il y a | 1

Réponse apportée
Function definitions are not permitted in this context.
https://www.mathworks.com/matlabcentral/answers/467833-error-function-definitions-are-not-permitted-in-this-context?s_tid=srchti...

plus de 3 ans il y a | 0

Réponse apportée
Receiving two outputs in function
To get multiple outputs from a function, you have to call it with multiple output arguments: [MY_nodeCrd,MY_edgeList]=ReadInput...

plus de 3 ans il y a | 1

Réponse apportée
why do I receive syms requires Symbolic math tool box
"why do I receive syms requires Symbolic math tool box?" - Simple: Because syms is part of the symbolic toolbox. If your license...

plus de 3 ans il y a | 1

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Réponse apportée
Answer double pendulum question usinf Rung-Kutta
Have a read here: <https://de.mathworks.com/help/symbolic/animation-and-solution-of-double-pendulum.html>

plus de 3 ans il y a | 1

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Réponse apportée
equation for projectile motion
This might be helpful: <https://de.mathworks.com/matlabcentral/answers/431384-write-a-script-which-will-calculate-the-trajectory...

plus de 3 ans il y a | 0

Réponse apportée
curve fitting using min-max optimization
You might want to start reading and trying here: <https://de.mathworks.com/help/curvefit/curvefitter-app.html>

plus de 3 ans il y a | 0

Réponse apportée
I got the problem with polyshape, please help me
You have to take both points into account to find a closed region: xcut1 = fzero(@(x)sqrt(x).*(12-x)./2 - 2+x, 0.5); xcut2 = f...

plus de 3 ans il y a | 0

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Réponse apportée
Solve non-linear systems of equations to create matrix of coeffients and solve variable
If i assume, that you have a linear system, because i think, that x1...x4 does not mean x^1...x^4 then you are nearly there: sy...

plus de 3 ans il y a | 0

Réponse apportée
Find light grey circle in greyscale image
Maybe this is an approach: img = imread('BinarizedImage_NewImage.JPG'); img2 = img; img2(img2<240) = 0; imshowpair(img,img2,...

plus de 3 ans il y a | 1

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Solving cubic equation with imaginary numbers
s1 = 133.9457 + 253.416i; s2 = 133.9457 - 253.416i; s3 = 1339.457; syms s x_exactly = solve(0.00017493*(s-s1)*(s-s2)*(s-s3...

plus de 3 ans il y a | 0

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Réponse apportée
combing rows into one row
I assume you want to have all values in a row vector: YouWant = reshape(MeanTemp(2:end,2:end),1,[]);

plus de 3 ans il y a | 0

Réponse apportée
How can I mark a region in matlab ?
x1 = 0:0.001:1; y1 = x1.^2; y2 = 1 - x1; xcut = fzero(@(x)x.^2 - 1+x, 0.5); x = [x1(x1<=xcut), x1(end)]; y = [x1(x1<=xcut)....

plus de 3 ans il y a | 0

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Réponse apportée
Change plot scale y axis
u21=[224 224 224 223 218 218 217]; beta1=[0 0.19 0.26 0.38 0.76 0.83 0.9]; plot(beta1,u21,'-*'); xlabel('beta') ylabel('U[V]...

plus de 3 ans il y a | 1

Réponse apportée
Taking derivative and putting it equal to 0 to find theta.
syms s h S(x) fun = S(x) == (6*s*h) - ((3*s*s*cot(x))/2) + ((3*s*s*sqrt(3)*csc(x))/2) sdot = diff(fun,x) == 0

plus de 3 ans il y a | 0

Réponse apportée
How to get the R2 value of fit?
ft = fittype('b*x^2+c*x+a'); load enso [curve, gof]=fit(month,pressure,ft,'StartPoint',[1,3,5])

plus de 3 ans il y a | 0

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Réponse apportée
why is my code not working?
v=[2;0;1;9;0;1;3;0;1]; m=max(v); n=mean(v); f=@(x) m-(1/2).*x; % Vectorized g=@(x) 2.*x.^2-n; % Vectorized figure ezpl...

plus de 3 ans il y a | 0

Réponse apportée
how to merge two figures
Have a look at: yyaxis

environ 4 ans il y a | 0

Réponse apportée
Finding out the minimum value position of a matrix
a=[1 2 3 4 5 10;2 3 5 6 1 12;2 6 4 5 7 16;10 2 1 4 5 20;2 3 1 4 9 12] % Here for the example row = 5, col = 1...3 ii = 5; % wa...

plus de 4 ans il y a | 0

Réponse apportée
Automatically fit a circle on an arc in image and to plot the circle in the image.
This example from the documentation appears to be suitable for your case.

presque 5 ans il y a | 0

Réponse apportée
MaxFunctionEvaluations not working in optimset() for fsolve()
See the documentation:

presque 5 ans il y a | 1

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Réponse apportée
Generation of a pair of random numbers satisfying a constraint
N = 10; r = sort(rand(N,2),2)

presque 5 ans il y a | 0

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Réponse apportée
Dimensions of arrays being concatenated are not consistent.
clc; clear all; close all; %% Parametri %% Inercija; {kg.m2} Juc = 2.6e-2; Jlc = 1e-3; %% Kruto...

presque 5 ans il y a | 0

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