Stephan

Last seen: 26 Tage vor | Aktiv seit 2017

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

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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...

etwa 2 Monate vor | 0

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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...

etwa 2 Monate vor | 2 Antworten | 1

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Beantwortet
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...

2 Monate vor | 0

Beantwortet
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 ...

2 Monate vor | 0

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Beantwortet
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(...

3 Monate vor | 0

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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...

3 Monate vor | 0

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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 ...

3 Monate vor | 1

Beantwortet
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...

3 Monate vor | 0

Beantwortet
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...

4 Monate vor | 1

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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...

4 Monate vor | 1

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

4 Monate vor | 1

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

4 Monate vor | 0

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

4 Monate vor | 0

Beantwortet
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...

4 Monate vor | 0

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Beantwortet
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...

4 Monate vor | 0

Beantwortet
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,...

4 Monate vor | 1

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Beantwortet
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...

4 Monate vor | 0

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Beantwortet
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,[]);

4 Monate vor | 0

Beantwortet
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)....

4 Monate vor | 0

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Beantwortet
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]...

4 Monate vor | 1

Beantwortet
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

4 Monate vor | 0

Beantwortet
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])

4 Monate vor | 0

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Beantwortet
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...

4 Monate vor | 0

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

11 Monate vor | 0

Beantwortet
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...

etwa ein Jahr vor | 0

Beantwortet
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.

mehr als ein Jahr vor | 0

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

mehr als ein Jahr vor | 1

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

mehr als ein Jahr vor | 0

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Beantwortet
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...

mehr als ein Jahr vor | 0

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

mehr als ein Jahr vor | 0

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