Respondida
How do i install add-on package?
In the recent MATLAB releases it is in the toolstrip on the very top of the window. Find the |ENVIRONMENT| section and the |...

más de 9 años hace | 0

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I get Subscripted assignment dimension mismatch.
Use instead wave(n,:) = (A(n))*sin(2*pi*(f(n))*T); plot(T,wave(n,:),'b') You also might want to think about pre-alloc...

más de 9 años hace | 0

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Respondida
function handle parameterization interval
Georg, you could use something like l_1 = 1; l_2 = 2; radius = 0.5; psi = 0.2; t = -1:0.01:5;...

más de 9 años hace | 0

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Creating a pushbutton and callback function
Try function myButtonTest() PushButton = uicontrol(gcf,'Style', 'push', 'String', 'Next','Position', [300 10 30 30],...

más de 9 años hace | 0

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Respondida
symbolic calculations for physical system doesn't give apropriated answer.
Check out the <http://de.mathworks.com/matlabcentral/fileexchange/49796-euler-lagrange-tool-package Euler-Lagrange tool package>...

más de 9 años hace | 0

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Respondida
Hi I have two equations here, and I wonder that how do you plot them as a phase plane. du/dt = u + 3*w + a*u^3 + a*u*w^2 and dw/dt = -u - w + a*u^3 + a*u*w^2 with singular point at (0,0).
Parth, check out this <https://de.mathworks.com/matlabcentral/answers/118837#answer_125898 answer>.

más de 9 años hace | 0

Respondida
How do I select specific data?
Use mat(find(time<5),2)

más de 9 años hace | 0

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How to draw a horizontal line in a diagram (3D plot)?
Philipp, use the <https://de.mathworks.com/help/matlab/ref/line.html |line|> command.

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Newton Raphson Method Errors
Shakil, convert the symbolic equations to numeric and you are good to go: function NR(xinit, epsilon) x = xinit; x...

más de 9 años hace | 1

Enviada


Euler-Lagrange tool package
Use the Euler-Lagrange equation to derive differential equations

más de 9 años hace | 7 descargas |

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Respondida
How to get function handles from sybolic vector of variables for ode45?
Sandeep, use <https://de.mathworks.com/help/symbolic/matlabfunction.html |matlabFunction|> to convert the ODE from symbolic to n...

más de 9 años hace | 0

Respondida
Make lines visible or invisible
There is: t = 0:0.1:10; y = sin(t); figure h1 = plot(t,y); set(h1,'Tag','Line1') hold on h2 = plot(t,y.^2...

más de 9 años hace | 0

Respondida
How do I plot/solve the phase portrait for functions with a range?
Afthab, see this <https://de.mathworks.com/matlabcentral/answers/118837#answer_125898 answer>.

más de 9 años hace | 1

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Respondida
Integration with one variable and many constants
Abdurrahman, there is no closed-form solution that MATLAB (and Mathematica) can compute. That is why you get |int()| term as a r...

más de 9 años hace | 1

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Respondida
line number in Live Editor
Thomas, to display line numbers in the Live Editor, open a live script, go to the |VIEW| tab on the very top and select |Line Nu...

más de 9 años hace | 4

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How can I Plot a primitive function?
Nicolas, I would assume that there is no closed-form, symbolic solution for your integral. So instead use numeric integration an...

más de 9 años hace | 0

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is financial tool necessary to use econonmetrics tool?
Maria, |ugarch| is removed as of release 2016a. See the <http://de.mathworks.com/help/finance/release-notes.html?searchHighlight...

más de 9 años hace | 1

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How can I change my code so that time series plots show oscillations, rather than steady states?
Charlotte, the graph above shows a plot |y1| versus |y2|. Sort of "position" versus "velocity". In other words plot(sol(:,1...

más de 9 años hace | 0

Respondida
Matlab delete's value's from array
loes, based on your description, how about mat(isnan(mat) | mat==0) = []; where |mat| is, for example, the matrix you sho...

más de 9 años hace | 3

Resuelto


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

más de 9 años hace

Respondida
How to report issues on Answers
Per, the MathWorks community team monitors content in Answers, along with all other areas of MATLAB Central. The best way to com...

más de 9 años hace | 1

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Respondida
Why is the following code not working to print using fprintf ?
Justin, I assume all variables necessary to create your |strVal| variables are properly defined, e.g. |A_left|? To start with...

más de 9 años hace | 0

Respondida
Find minimum of $n$ first entries, with $1\leq n\leq numel(X)$.
Bananach, use |min| : X = rand(1,10) X = 0.6557 0.0357 0.8491 0.9340 0.6787 0.7577 0.7431 0.39...

más de 9 años hace | 0

Respondida
string to sym error
Alberto, the functionality you are using will be removed in future releases, but you can still use it. That is why you are getti...

más de 9 años hace | 1

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Respondida
How to Store results of While-Loop in MATLAB?
Muhammad, x1=19;% Starting Point on X-Axis x2=288;% Ending Point on X-Axis y1=38;% Starting Point on Y-Axis y2=24...

más de 9 años hace | 0

Respondida
How to convert one large vector into an array of matrix?
Nitinkumar, yfit = 1:5*5*10; % just as an exmple: 10 5x5 images x = reshape(yfit,[5,5,10]); You basi...

más de 9 años hace | 1

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Respondida
Saving/Visualizing all loop results
I assume you intentionally have two |for| loops, correct? Either way, in case you do not know the size of the final matrix yo...

más de 9 años hace | 0

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Respondida
For Loop Not Executing
Gopal, this is because 9*h+h - 10*h ans = 3.469446951953614e-18 and 11*h+h - 12*h ans = 0 Just b...

más de 9 años hace | 1

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Respondida
Cannot find MATLAB license of activation key
Martin, log into your MathWorks account ( <https://www.mathworks.com/login?uri=/mwaccount/ https://www.mathworks.com/login?uri=/...

más de 9 años hace | 0

Respondida
How do I plot every nth vector of this Fourier series?
Hi Kristinn, do you mean something like this: t = 0:.02:2*pi; % Graph time, interval between 0 and 2pi f = 0...

más de 9 años hace | 1

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