Risposto
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...

circa 15 anni fa | 4

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Risposto
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...

circa 15 anni fa | 4

Risposto
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. ...

circa 15 anni fa | 0

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Risposto
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...

circa 15 anni fa | 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...

circa 15 anni fa | 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',... ...

circa 15 anni fa | 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.......

circa 15 anni fa | 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

circa 15 anni fa | 0

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Risposto
KeyPressFcn problem
Try the WindowKeyPressFcn instead.

circa 15 anni fa | 1

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Risposto
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 ...

circa 15 anni fa | 0

Risposto
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.

circa 15 anni fa | 14

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

circa 15 anni fa | 0

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

circa 15 anni fa | 0

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

circa 15 anni fa | 1

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Risposto
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...

circa 15 anni fa | 0

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Risposto
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...

circa 15 anni fa | 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...

circa 15 anni fa | 0

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Risposto
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...

circa 15 anni fa | 0

Risposto
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 = ...

circa 15 anni fa | 0

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Risposto
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. ;-)

circa 15 anni fa | 2

Risposto
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...

circa 15 anni fa | 0

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

circa 15 anni fa | 1

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

circa 15 anni fa | 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 ...

circa 15 anni fa | 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...

circa 15 anni fa | 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\.$','') ...

circa 15 anni fa | 0

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Risposto
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...

circa 15 anni fa | 2

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Risposto
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...

circa 15 anni fa | 2

Risposto
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,:)...

circa 15 anni fa | 2

Risposto
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,...

circa 15 anni fa | 1

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