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Stephan


Last seen: Today Active since 2017

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

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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...

4 dagar ago | 2 answers | 1

2

answers

Answered
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...

18 dagar ago | 0

Answered
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 ...

24 dagar ago | 0

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Answered
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(...

ungefär 2 månader ago | 0

Answered
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...

ungefär 2 månader ago | 0

Answered
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 ...

ungefär 2 månader ago | 1

Answered
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...

ungefär 2 månader ago | 0

Answered
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...

ungefär 2 månader ago | 1

Answered
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...

ungefär 2 månader ago | 1

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

ungefär 2 månader ago | 0

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

2 månader ago | 0

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

2 månader ago | 0

Answered
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...

2 månader ago | 0

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Answered
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...

2 månader ago | 0

Answered
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,...

2 månader ago | 1

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Answered
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...

2 månader ago | 0

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Answered
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,[]);

2 månader ago | 0

Answered
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)....

2 månader ago | 0

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Answered
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]...

2 månader ago | 1

Answered
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

2 månader ago | 0

Answered
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])

2 månader ago | 0

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Answered
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...

3 månader ago | 0

Answered
how to merge two figures
Have a look at: yyaxis

9 månader ago | 0

Answered
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...

ungefär ett år ago | 0

Answered
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.

mer än ett år ago | 0

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

mer än ett år ago | 1

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

mer än ett år ago | 0

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Answered
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...

mer än ett år ago | 0

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Answered
How can I vectorize the fun in Matlab with single code
Possible, but not recommended: https://de.mathworks.com/help/matlab/ref/vectorize.html

mer än ett år ago | 0

Answered
functions within the script
a1=myfunction(5) a2=myfunction(7) function a=myfunction(r) a=10*r end

mer än ett år ago | 1

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