Data sharing between two GUIs
You can use setappdata and getappdata http://www.mathworks.com/matlabcentral/answers/95443

10 years ago | 0

IF statement inside a push button
Assuming rest of the code is right mon1= str2num(get(handles.m1,'string')); The first thing I'll think is that you're get...

10 years ago | 0

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How to pick an integer in a box using up and down arrows in a gui
You can use button with symbols + or -, and add functions like adding or subtracting as a feature. Something like this (very ...

10 years ago | 1

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help with numerical integration
First thing: what are you trying to do with y and r? Your r will be empty as the last value in defining r is a vector. Can yo...

10 years ago | 0

Finding Mean of a repeated entries Using Matlab.
b = [u,accumarray(ix,zz(:,1))./accumarray(ix,1)]; The second accumarray will be (ix,1) not (ix,2)

10 years ago | 1

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How to merge different customized figures together?
set(hFig, 'Position', [100 250 300 5*80]); for jj = 1:5 h1 = subplot(5,1,jj); % hAxes = set(h1,'XTick',[-1:1:...

10 years ago | 0

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beginner questions about symbols used in formula
The fullstop (.) operator is for element-wise operation. For example: A = [1 2 3 4]; B = [5 6 7 8]; AS you can see t...

10 years ago | 1

problem using the find function
row and col are the indices in the matrix which have the value you need. Find function just finds the indices which satisfy the...

10 years ago | 0

Call a matrix in a matrix
You can have cell like this: B = rand(3); C = rand(3); A{1} = B; A{2} = C;

10 years ago | 0

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Vector Equation with scalars?
a = 3; b = 4; x = -3:0.2:2; y = 8*(a^2)./(x.^2+b^2);

10 years ago | 0

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how to write an equation with different period of time
w_t = [25*T 50 250-50*t]; t_range = [0 2 4]; W = w_t(find(t > t_range,1,'last'));

10 years ago | 0

How do I get the Command Window to recognize variables created in a function?
Because you have to do something like this on the command window: [K,T] = KTBC(n) KTBC is a function that take an input ...

10 years ago | 1

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How to use the "Input" command-- specific problem help
The input command ask for a value from the user, for example A = input('Enter value for h: ') will show on command prom...

10 years ago | 0

How to resolve ODE system in Matlab using numerical method Runge-Kuta?
First You'll have to make a function for your problem. This function take (time and Y) and will return dy function dy = myf...

10 years ago | 0

how to do a graph
m = zeros(30,1); a = m; for i=1:30 m(i) = 400*(1.1^i); a(i) = 120*(1.2*i); end plot(m); hold on; plot(1:3...

10 years ago | 0

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

10 years ago

set limits using xlim for strings
set(gca,'XTick',1:12,'XTickLabel',{'Jan','Feb','Mar','Apr' .... etc})

10 years ago | 0

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Why do I get an 'Index needs to be positive or logical' error?
Sometimes in matlab, when doing floating point operations which should result in an integer, deviate from it slightly. For examp...

10 years ago | 0

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Replace specific numbers in a matrix
Lets say your matrix is called A, then A(A>90) = Inf; That simple :)

10 years ago | 0

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Transforming vector into triangular matrix
Lets call it A Then A_new = repmat(A,1,48); A_new = tril(A);

10 years ago | 0

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Big O Complexity for Matlab code - Sum of Matrix Operation
Matlab sum without specification of dimension, for a matrix, will be for the column. However for a vector, either row or colu...

10 years ago | 0

Help with the output of my function
This is because when you input t as a vector, unless all of the values in vector satisfy the condition, it will not go through a...

10 years ago | 0

save matdata1 Error using save Unable to write file matdata1: permission denied.
This might be because you dont have permission to write in that folder. Try a different directory and see if it still doesn't w...

10 years ago | 0

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How can I calcuate the distance from two selected points?
imdistline Matlab documentation: http://www.mathworks.com/help/images/ref/imdistline.html

10 years ago | 1

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c=(exp((-z^2)/(2*sigma^2)))+mnoise
mnoise = 0.02*randn(251,1);

10 years ago | 0

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How can I solve a simplest order 4 differential equation by 4th order Rung Kutta in Matlab?
See this: http://www.mathworks.com/help/matlab/ref/ode45.html There are few examples there as well to help you through

10 years ago | 0

Replace zero in a matrix with value in previous row
Lets say your matrix is A [m,n] = size(A); An = A'; valx = find(~An); % This will give you zeros elements linear inde...

10 years ago | 0

Changing excel range reference
Your xlRange will produce string 'sRowRef:lRowRef' not 'D2:D49'. You should try: xlRange = [sRowRef ':' lRowRef];

10 years ago | 0

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