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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...

8 years 前 | 0

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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;...

8 years 前 | 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],...

8 years 前 | 0

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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>...

8 years 前 | 0

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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>.

8 years 前 | 0

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

8 years 前 | 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.

8 years 前 | 0

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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...

8 years 前 | 1

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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...

8 years 前 | 0

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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...

8 years 前 | 0

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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>.

8 years 前 | 1

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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...

8 years 前 | 1

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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...

8 years 前 | 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...

8 years 前 | 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...

8 years 前 | 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...

8 years 前 | 0

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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...

8 years 前 | 3

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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...

8 years 前 | 1

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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...

8 years 前 | 0

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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...

8 years 前 | 0

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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...

8 years 前 | 1

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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...

8 years 前 | 0

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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...

8 years 前 | 1

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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...

8 years 前 | 0

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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...

8 years 前 | 1

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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=/...

8 years 前 | 0

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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...

8 years 前 | 1

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What is the "Service and Date" ?
Minjae, the student version is a *perpetual* license, which means you can use the software indefinitely. <http://www.mathworks.c...

8 years 前 | 0

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How to add text label to plot referenced to the second y-axis
Mark, what about something like x = 0:0.01:10; y1 = exp(-0.05*x).*sin(x); y2 = exp(-0.5*x).*sin(10*x); [ax, h1, h2]...

8 years 前 | 0

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Problem with eval and symbolic inequation
Anna, try syms t joelho = ((0.15*sin(5*pi*t - pi/2) + 0.15)*heaviside(-t - 0.4) + ... (0.53625*sin(10*pi*t/3 + ...

8 years 前 | 0