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how do i change color of the y-axes made by plotyy?
An example: x = 0:0.01:20; y1 = 200*exp(-0.05*x).*sin(x); y2 = 0.8*exp(-0.5*x).*sin(10*x); [AX,H1,H2] = plotyy(x,y1,x,y...

約15年前 | 4

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how to draw the line of known slope and intercept
You could also do it using MATLAB's polynomial functions... % Data a = -2; b = 3; c = 8; x = 3; y = -2/3; % No...

約15年前 | 4

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Intermingle data points in plot
It shouldn't take days to plot even that many points. Please give a small but succinct example which shows what you are doing. ...

約15年前 | 0

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GUI - How to differentiate the handles of the overall GUI vs. Callback function of each component?
Don't name your global variable the same name as any local variable where it will be used. This is one of the problems with usi...

約15年前 | 0

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How to find repeated sequence , and the times of repeat, in array by Matlab?
Here is another version which returns in strings and only returns those patterns that repeat and are of length >1: % This...

約15年前 | 2

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GUI - Default value of the radio button group
The default should be the first button created. G = uibuttongroup; R(1) = uicontrol(G,'style','radio',... ...

約15年前 | 1

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MATLAB GUI - Set transparent background color for components
For example.... F = figure; B = uicontrol('style','text','string','hello'); pause(.75) % Pause to see the change.......

約15年前 | 1

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replace column
% 2D example: A = zeros(5) A(:,3) = 1 % 3D example: A = zeros(3,3,3) A(:,2,:) = 1

約15年前 | 0

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KeyPressFcn problem
Try the WindowKeyPressFcn instead.

約15年前 | 1

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I have a question about multiplying two series...
That is some bizarre code indeed. Would you mind translating the help text into English please? If n1 and n2 were meant to be ...

約15年前 | 0

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How do I set the wait time during program execution?
pause(1) Also, see the help for the <http://www.mathworks.com/help/techdoc/ref/pause.html PAUSE> function.

約15年前 | 14

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plotting matrix of number as image
surf(magic(3)) rotate3d % or image(magic(3))

約15年前 | 0

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plotting a vector field
Put this command after the call to QUIVER3: hold on

約15年前 | 0

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ascii to binary, binary to ascii
char(bin2dec(reshape(y,7,[]).')).'

約15年前 | 1

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Question on number accuracy and indexing
This is the old <http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F Floating Point FA...

約15年前 | 0

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How to use horizontal sliders to slide and show multiple axes
Here is an example: function [] = slider_ex() % Help goes here. Sz = get(0,'screensize'); S.fh = figure('units','pi...

約15年前 | 0

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Performing Action to ALL 'struct' Variables
% Create several structures with different names... structn.dat = 1:10; structm.dat = 1:10; structk.dat = 1:10; % N...

約15年前 | 0

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Regarding inverse fast fourier transform
Sure, why not: V = 3+4i; F = fft(V) I = ifft(F) *EDIT* In response to the new details. Did you try to take the IFF...

約15年前 | 0

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GUI Text box
S = get(handles.textbox,'string'); % S = 'x(n)=5*rand(1,1)+x(n)' S = S(6:end) x(n) = eval(S) Or, more generally, S = ...

約15年前 | 0

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Why do you come to "MATLAB Answers"?
All of the above, more or less, and ranked differently according to my mood and need or both. ;-)

約15年前 | 2

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Getting external variables from GUI
Yes, there are many ways to do this. One way is to use EVALIN. Let's say you have a variable named g in the base workspace. T...

約15年前 | 0

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Splitting up values from variables
x = Displacement(1); or Displacement = Displacement(1);

約15年前 | 1

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problem with for loop
for ii = logspace(1,5,5) % Do stuff here. end

約15年前 | 2

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count the number of columns 0 and 1 in a barcode image column 0 is black bars and 1 is a white bars
M=[1 1 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 1 ...

約15年前 | 0

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Problem with cumsum
CUMSUM does not work for data that isn't single or double. You can write your own function to do this, or cast the data to sing...

約15年前 | 2

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Dealing with weird Data in Cell Array
C = {'LOLS Purge Supply - Standby.';'GHe-W Supply - Standby.';'0.000320.';'42.9333';'42.9333'} D = regexprep(C,'\d\.$','') ...

約15年前 | 0

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GUI adding elements in listbox
This is from <http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples my collection> of GUIs for lear...

約15年前 | 2

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how to make arrows
As an alternative, here is a way to do it using the ANNOTATION function. Run the code and click where you would like the text t...

約15年前 | 2

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Using unique.m function on NaNs
In addition to what others have said, note this horribly named function: A = [1 nan; 1 nan]; isequalwithequalnans(A(1,:)...

約15年前 | 2

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Help with ismember, intersect functions for matching data
Will this do what you want? Note the requirement that A and B are sorted, which you have... A=[1, 2, 9, 11, 14, 17, 18, 19,...

約15年前 | 1

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