Stephan
Knowledge means knowing where it is written... Interested in: - Optimization - Mathematical Modelling - Improvement of my programming skills
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MEDIA DE ME GUSTA
Contribute at least one answer each month for 36 consecutive months
Awarded to Stephan on 02 Apr 2021
Obtain 50 solvers for a problem you have created
Awarded to Stephan on 11 Dec 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to Stephan on 28 Jan 2019
Your submissions were downloaded 10 or more times in a month
Awarded to Stephan on 01 Nov 2019
Publish your first review
Awarded to Stephan on 09 Oct 2019
Publish your first submission
Awarded to Stephan on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to Stephan on 11 Oct 2018
100 of your answers have been accepted
Awarded to Stephan on 04 Sep 2018
Answer 10 questions that were unanswered for more than 30 days
Awarded to Stephan on 22 Jun 2018
Be the first to solve a problem
Awarded to Stephan on 24 Apr 2018
Create a problem
Awarded to Stephan on 24 Apr 2018
Content Feed
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...
10 días hace | 0
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 ...
16 días hace | 0
| aceptada
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(...
alrededor de 1 mes hace | 0
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...
alrededor de 2 meses hace | 0
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 ...
alrededor de 2 meses hace | 1
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...
alrededor de 2 meses hace | 0
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...
alrededor de 2 meses hace | 1
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...
alrededor de 2 meses hace | 1
| aceptada
Answer double pendulum question usinf Rung-Kutta
Have a read here: <https://de.mathworks.com/help/symbolic/animation-and-solution-of-double-pendulum.html>
alrededor de 2 meses hace | 0
| aceptada
equation for projectile motion
This might be helpful: <https://de.mathworks.com/matlabcentral/answers/431384-write-a-script-which-will-calculate-the-trajectory...
alrededor de 2 meses hace | 0
curve fitting using min-max optimization
You might want to start reading and trying here: <https://de.mathworks.com/help/curvefit/curvefitter-app.html>
alrededor de 2 meses hace | 0
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...
alrededor de 2 meses hace | 0
| aceptada
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...
alrededor de 2 meses hace | 0
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,...
alrededor de 2 meses hace | 1
| aceptada
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...
alrededor de 2 meses hace | 0
| aceptada
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,[]);
alrededor de 2 meses hace | 0
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)....
alrededor de 2 meses hace | 0
| aceptada
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]...
alrededor de 2 meses hace | 1
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
alrededor de 2 meses hace | 0
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])
alrededor de 2 meses hace | 0
| aceptada
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 meses hace | 0
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...
alrededor de 1 año hace | 0
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.
más de 1 año hace | 0
MaxFunctionEvaluations not working in optimset() for fsolve()
See the documentation:
más de 1 año hace | 1
| aceptada
Generation of a pair of random numbers satisfying a constraint
N = 10; r = sort(rand(N,2),2)
más de 1 año hace | 0
| aceptada
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...
más de 1 año hace | 0
| aceptada
How can I vectorize the fun in Matlab with single code
Possible, but not recommended: https://de.mathworks.com/help/matlab/ref/vectorize.html
más de 1 año hace | 0
functions within the script
a1=myfunction(5) a2=myfunction(7) function a=myfunction(r) a=10*r end
más de 1 año hace | 1
| aceptada
can i pleas be helped on the following code i dnt understand the outpu
A=[2 4 10 13;16 3 7 18;8 4 9 25;3 12 15 17] A(4:8) You need to understand linear indexing in Matlab: https://de.mathworks.com...
más de 1 año hace | 0
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