Risposto
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...

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 1

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Risposto
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...

oltre 9 anni fa | 0

Risposto
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); ...

oltre 9 anni fa | 0

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Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 1

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

oltre 9 anni fa | 1

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Risposto
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...

oltre 9 anni fa | 1

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

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 1

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Risposto
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...

oltre 9 anni fa | 1

Risposto
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...

oltre 9 anni fa | 3

Risposto
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

oltre 9 anni fa | 2

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Risposto
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 ...

oltre 9 anni fa | 1

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

oltre 9 anni fa | 1

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Risposto
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 ...

oltre 9 anni fa | 0

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Risposto
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 =...

oltre 9 anni fa | 0

Risposto
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....

oltre 9 anni fa | 1

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Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 1

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

oltre 9 anni fa | 0

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

oltre 9 anni fa | 1

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oltre 9 anni fa | 0

Risposto
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 ...

oltre 9 anni fa | 0

Risposto
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.

oltre 9 anni fa | 0

Risposto
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|.

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

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Risposto
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:...

oltre 9 anni fa | 1

Risposto
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; ...

oltre 9 anni fa | 0