已回答
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 |...
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 |...
8 years 前 | 0
已回答
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...
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
| 已接受
已回答
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;...
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
| 已接受
已回答
Creating a pushbutton and callback function
Try function myButtonTest() PushButton = uicontrol(gcf,'Style', 'push', 'String', 'Next','Position', [300 10 30 30],...
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
| 已接受
已回答
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>...
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
| 已接受
已回答
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>.
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
已回答
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.
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
| 已接受
已回答
Newton Raphson Method Errors
Shakil, convert the symbolic equations to numeric and you are good to go: function NR(xinit, epsilon) x = xinit; x...
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
已提交
Euler-Lagrange tool package
Use the Euler-Lagrange equation to derive differential equations
8 years 前 | 37 次下载 |
已回答
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...
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
已回答
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...
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
已回答
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>.
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
| 已接受
已回答
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...
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
| 已接受
已回答
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...
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
| 已接受
已回答
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...
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
已回答
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...
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
| 已接受
已回答
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...
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
已回答
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...
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
已解决
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...
8 years 前
已回答
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...
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
| 已接受
已回答
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...
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
已回答
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...
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
已回答
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...
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
| 已接受
已回答
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...
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
已回答
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...
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
| 已接受
已回答
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...
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
| 已接受
已回答
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...
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
| 已接受
已回答
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=/...
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
已回答
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...
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