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

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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...

11年弱前 | 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 ...

11年弱前 | 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...

11年弱前 | 0

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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)

11年弱前 | 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:...

11年弱前 | 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...

11年弱前 | 1

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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...

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

11年弱前 | 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);

11年弱前 | 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'));

11年弱前 | 0

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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 ...

11年弱前 | 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...

11年弱前 | 0

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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...

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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...

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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 ...

11年弱前

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

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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...

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

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

11年弱前 | 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...

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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...

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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...

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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

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

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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

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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...

11年弱前 | 0

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

11年弱前 | 0

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how can I copy multiple Matlab.fig files, each with multiple subplots, into a single plot
You need to get handle for all the subplots in each figure. % First open a new figure hh = figure; % Open First F...

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how to jump from one box to another in Matlab GUI?
Setting tab order: http://www.mathworks.com/help/matlab/creating_guis/setting-tab-order.html http://www.mathworks.com/help...

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