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Is there a better way to randomly generate a Doubly Stochastic Matrix?
This looks promising. I have kept some notes in the comments so you can see what I was doing... There are three lines of cod...

oltre 13 anni fa | 1

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I need to know how matlab do A(B) where A and B are 2 vectors
I believe that these basic things are done just like you show, but in *compiled C-code.* Thus it is much faster that using inte...

oltre 13 anni fa | 0

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how to use a simple statement to describe a repeat format output about the function "fprintf"?
fprintf(fid,repmat('%4.2f',1,5),data)

oltre 13 anni fa | 0

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Best way to share code within laboratory
We all use a shared network drive that is added to the path on everyone's MATLAB. Every function in the shared drive has a comm...

oltre 13 anni fa | 0

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Two y axes in subplot
You can use SUBPLOT to set the location for your PLOTYY call. % Data to plot. x = 0:0.01:20; y1 = 200*exp(-0.05*x)....

oltre 13 anni fa | 1

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How to plot the columns (second till 15) data against the firs column (simulation time) instead of plotting against the serial number in once by pressing the plot button?
Let's say your data looks like this: D = (0:.01:1).'; % Used to make the data array... D = [D bsxfun(@power,D,1:10)]; ...

oltre 13 anni fa | 0

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How to split a nxn matrix into n vectors
Jan is correct. Doing this is a bad idea. If you need to use the POLYDER function on each row of a large array, there are seve...

oltre 13 anni fa | 0

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how to find out the correct coefficients from a roots -vector
anonym, you need to think about what you are doing. When you have: a = [2 4 6 8]; this represents this polynomial: 2...

oltre 13 anni fa | 0

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Floating point accurarcy and COLON
This explains how the colon operator works. It is an interesting read. <http://www.mathworks.com/support/solutions/en/data...

oltre 13 anni fa | 5

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Risposto
input for function drawgraph(coords)
Are you talking about the function on this page? <http://www.mathworks.com/help/dotnetbuilder/ug/c-integration-examples.html#...

oltre 13 anni fa | 0

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Risposto
How to break a while loop in a gui toggle button callback?
Here is an example. Basically you have to flush the event queue by calling DRAWNOW or PAUSE to check if the state of the button...

oltre 13 anni fa | 1

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reshape function row wise
Since you don't give a small example of input and expected output (always a bad practice when asking for help!!), I will guess t...

oltre 13 anni fa | 1

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"Subscripted assignment dimension mismatch"
This error occurs, much like the message tells you, when you try to put the wrong number (or shape) of items into an array. Her...

oltre 13 anni fa | 0

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Risposto
HISTEQ default not consistent with syntax?
IM = imread('cameraman.tif'); I = histeq(IM); I2 = histeq(IM,ones(1,64)*(numel(IM)/64)); isequal(I,I2) ans = ...

oltre 13 anni fa | 0

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Risposto
change output filename in a loop
<http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F>

oltre 13 anni fa | 0

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Need an IF boolean that compares a number to all numbers in an array
a = [1,2,3]; b = 2; if any(b==a) disp('b in a') else disp('b not in a') end Also, see the help for ...

oltre 13 anni fa | 0

Risposto
search for string array index
That example fails... But let's try this one: x=['a b c0 d';'a b e1 f';'a x d2 f';'m b e1 f';'a b e1 f']; find(x(:,...

oltre 13 anni fa | 0

Risposto
Prevent rounding of a number.
Why do you think MATLAB is rounding 0.99998474121093744448884876 to 1? F = 0.99998474121093744448884876; F==1 % No ...

oltre 13 anni fa | 0

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Read text file containing string and numeric data
fid = fopen('Test.txt'); C = textscan(fid,repmat('%s',1,19),'Headerlines',1) fclose(fid) HeadDiam = str2double(C{8});...

oltre 13 anni fa | 0

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Risposto
Given matrices XX and YY of sizes 3X3, how can I generate the following matrix: [XX(1,1) YY(1,1); XX(1,2) YY(1,2)... ?
For example: XX = magic(3); YY = cumsum(ones(3)); % Your requested matrix. ZZ = [reshape(XX.',[],1) reshape(YY.',[...

oltre 13 anni fa | 0

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axes problem in a plot
You can set the axes limits to be a certain percent of the data or fixed values, depending on what you want. x = -pi:.00...

oltre 13 anni fa | 0

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Risposto
how to creat Multiplication table
I am not quite sure if this is what you want, but have a look at this: A = 1:5;, B = 1:10; C = bsxfun(@times,A,B.'...

oltre 13 anni fa | 0

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hii.. Is it possible to get the coordinates of all the points in a line drawn through plot function in an image?
Aren't there an infinite number of coordinates? Just look at the equation for a line: y = m*x + b; So if you have a s...

oltre 13 anni fa | 0

Risposto
Save data before error
I recommend you either wrap all of your code in a TRY-CATCH or use DBSTOP so that you don't lose your data again. Note that if ...

oltre 13 anni fa | 0

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Finding the numbers of a vector with the same length?
Here's another solution: D = diff(find([1 ~x 1]))-1; D = histc(D,1:max(D))

oltre 13 anni fa | 2

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Plotting Points from Cells
Say your cell array is called C, like this: C = cellfun(@(x) rand(1,3),cell(1000,1),'Un',0); Now we can plot the points ...

oltre 13 anni fa | 2

Risposto
Reboot a gui in Matlab
Here is a simple example: function [] = restart_gui() S.f = figure('menubar','none',... 'numbe...

oltre 13 anni fa | 0

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Risposto
How can I generate a matrix with the same vector in all the lines?
I think this is what REPMAT probably is doing behind the scenes: V = 1:3; M = V(ones(1,4),:)

oltre 13 anni fa | 0

Risposto
Composing arrayfun syntax to extract data from structure
O.k., if you are just messing around with ARRAYFUN. C(1,1).idx = [1;1;2;3]; C(2,1).idx = [1;1;2]; C(1,1).s = {'a';'...

oltre 13 anni fa | 0

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3D Matrix to replace a square matrix in a for loop?
(To find your MATLAB version, type: ver) Have you looked at BSXFUN? For better suggestions, give some data and a loop that ...

oltre 13 anni fa | 0

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