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updating handles in gui/guide for webcam
Christian, I solved a similar problem by removing the associated field of the |handles| object. So essentially (and following...

más de 9 años hace | 0

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how to display all iterations in one matrix...below is the code which i run and get the value of z in separate vectors..how to combine them in one.
Quick and dirty: z = []; for x = E1 for y = E2 f = C*(DP1*x+DP2*y); z = [z; x y f] end end

más de 9 años hace | 1

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ode45 Event Option
Duncan, I put the entire code into one file and slightly changed the code (ode calls), see attachment. Works for me. One more...

más de 9 años hace | 0

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How can I plot a function with parametric if (change between parameters)
Chris, this should do the trick r = 0:0.1:20; r0 = 12.5; t = 39.64*(r<=r0) + 51.4875*exp(0.14*(16.37 - r)).*(r>r0); ...

más de 9 años hace | 0

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Using a matrix of solution elements outside of ode45
Duncan, how about simply re-building the matrix after the |ode45|-call? I assume all those variables are dependent on time, dist...

más de 9 años hace | 0

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plotyy: problem with ticks
Marco, still not quite sure about the end result. How about adding set(ax(1),'YLim',[minimum_left, maximum_left]) set(ax(2...

más de 9 años hace | 1

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How to access number of rows in one step?
Try size(theMatrix,1)

más de 9 años hace | 1

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how can i find the location of the largest element in a 2-D matrix not in a column or row matrix?
Navneet, e.g. A = [1 2 3; 2 3 4; 3 2 1] A = 1 2 3 2 3 4 3 2 1 [row,col] = fin...

más de 9 años hace | 1

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Help with solve please
Jonathan, use <https://www.mathworks.com/help/optim/ug/fsolve.html |fsolve|> instead.

más de 9 años hace | 0

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Problem about plotting 2D about multiple of functions
Amin, use instead y = floor(sin(x)) .* floor(x); % notice the period before the * This allows you to do element-wise mult...

más de 9 años hace | 1

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rlocus showing overshoot, step showing none?
Robert, the overshoot information that is shown in the root locus plot needs to be taken with a grain of salt. It essentially on...

más de 9 años hace | 1

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How to redirect user if they enter an incorrect input
Bree, without knowing the structure of your program I would suggest using a <https://www.mathworks.com/help/matlab/ref/while.htm...

más de 9 años hace | 3

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Logical indexing: More than two conditions
Do you mean x = -10:10; y = (x>=0 & x~=2).*x.^3 + (x<0).*x.^2 + (x==2).*x

más de 9 años hace | 2

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my laptop doesnt have enough storage for install the matlab ,there is no portable matlab available?
Elmira, depeding on your license you might have access to <https://www.mathworks.com/products/matlab-online/ MATLAB Online> and ...

más de 9 años hace | 1

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ode45 and additional parameters - Growth Equation
Victor, check out the following: function myODE() tspan = [0 25]; % y0 = [1 1]; % these are the initial conditi...

más de 9 años hace | 1

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How to draw a polar graph from r=0?
Yuval, looks like you only need to increase the number of data points (|theta|): theta = 0:0.001:2*pi; or something like ...

más de 9 años hace | 0

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For simple transfer function getting different result in matlab code and simulink for same pid values.
Sadeep, Fig 1. looks very much like the step input (rather than the step response). Compare this figure to g = tf(1,1) g =...

más de 9 años hace | 0

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Trying to plot the surface and contour plot (surfc) of the temperature distribution of a 1x1 metal plate that goes from (0,0) to (1,1), while it's heated to 100 degrees C on the corner (1,1). THANK YOU!!
Brandon, use x = linspace(0,1); y = linspace(0,1); [xG,yG] = meshgrid(x,y); T = 100*(exp((-0.1)*((xG-1).^2))).*(exp((-0....

más de 9 años hace | 1

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Why wont the divide operator work?
Julia, are you showing all the code? Looks like the variable |a| is not defined. As for the plot command: one of the round br...

más de 9 años hace | 0

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My code is producing two answers, but it is only supposed to print one.
DJ, the function is only returning only one variable, |payment|. |pay2| is only displayed because there is no semi-colon afte...

más de 9 años hace | 0

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Matlab function holding first value?
Hi Péter, this is explained well in the documentation <https://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.htm...

más de 9 años hace | 1

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problem with reduceDifferentialOrder -> massMatrixForm -> odeFunction
Carlos, the <http://www.mathworks.com/matlabcentral/fileexchange/49796-euler-lagrange-tool-package Euler-Lagrange tool package> ...

más de 9 años hace | 0

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phase plane in MATLAB?
Hello, check out the code below: function my_ODE() th0 = 0; Dth0 = 1; tspan = linspace(0,2,200); o...

más de 9 años hace | 1

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más de 9 años hace | 0

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Hi, what should I do to get the 'Not enough input arguments'-error,
Rebecca, yes. Use something like function d = inputErrorCheck(a,b,vargin) switch nargin case 3 if ...

más de 9 años hace | 0

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If I have a matrix of 100 rows by 5 columns, how can I make it a 1 row x 500 column matrix, where each row (1x5) is placed one after the other to make a 1x500 matrix?
Use the <https://www.mathworks.com/help/matlab/ref/reshape.html |reshape|> command.

más de 9 años hace | 0

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How to use fmincon on an symbolic integral function
Sylvia, use <https://www.mathworks.com/help/matlab/ref/integral2.html |integral2|> in combination with |fmincon|.

más de 9 años hace | 0

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Problem with using ode45 event option
Sourav, you need to improve the accuracy of the integration. E.g. this seems to work: options = odeset('RelTol',1e-7,'AbsTol...

más de 9 años hace | 0

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problem with symbolic to function handle
How about syms x y z f = x*y*z+x*2*y; G = gradient(f); m = matlabFunction(G); [X,Y,Z] = meshgrid(-3:1:...

más de 9 años hace | 1

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How can I graph all the values of n in the while loop ? Theres my program.
Something like this? Not quite sure what you want your x-axis to be. n = input('Enter a natural number'); cont=1:1:n; ...

más de 9 años hace | 0