Community Profile # Stephan

Last seen: 3 mesi fa Attivo dal 2017

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

#### Statistiche

All
• • • • • • • • • • • • #### Content Feed

Visto da

Risposto
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...

10 mesi fa | 0

Domanda

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...

10 mesi fa | 2 risposte | 1

### 2

risposte

Risposto
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...

11 mesi fa | 0

Risposto
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 ...

11 mesi fa | 0

| accettato

Risposto
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(...

12 mesi fa | 0

Risposto
calculate and fill an area between a line and a curve

12 mesi fa | 0

| accettato

Risposto
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 ...

12 mesi fa | 1

Risposto
Function definitions are not permitted in this context.

12 mesi fa | 0

Risposto
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...

circa un anno fa | 1

Risposto
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...

circa un anno fa | 1

| accettato

Risposto
Answer double pendulum question usinf Rung-Kutta

circa un anno fa | 1

| accettato

Risposto
equation for projectile motion

circa un anno fa | 0

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

circa un anno fa | 0

Risposto
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...

circa un anno fa | 0

| accettato

Risposto
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...

circa un anno fa | 0

Risposto
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,...

circa un anno fa | 1

| accettato

Risposto
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...

circa un anno fa | 0

| accettato

Risposto
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,[]);

circa un anno fa | 0

Risposto
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)....

circa un anno fa | 0

| accettato

Risposto
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]...

circa un anno fa | 1

Risposto
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

circa un anno fa | 0

Risposto
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])

circa un anno fa | 0

| accettato

Risposto
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...

circa un anno fa | 0

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

oltre un anno fa | 0

Risposto
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...

quasi 2 anni fa | 0

Risposto
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.

oltre 2 anni fa | 0

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

oltre 2 anni fa | 1

| accettato

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

oltre 2 anni fa | 0

| accettato

Risposto
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...

oltre 2 anni fa | 0

| accettato

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

oltre 2 anni fa | 0