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Summation, Please help i will buy you a cookie :D
Let's break it down into some steps. First consider the problem for a moment; We have the series U(n+1) = U(n)^2, U(1) = 0.5 ...

casi 11 años hace | 2

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hist() function: Error using .* Error in hist (line 78)
It seems as though hist() prefers floating point values (single or double). Try; hist(double(R(:))) % Histogram of red chan...

alrededor de 11 años hace | 0

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Segmenting an image according a threshold
thresh = 66; I(I < thresh) = 0; I(I > thresh) = 255;

alrededor de 11 años hace | 1

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How can i calculate the largest interval when the elements of an array are larger than a value?
We can find the sequence using find and diff; seq = [0 6 5 2 16 17 16 11 12 14 5 6 9 16 17 18 18 9] thresh = 15 gt = find...

alrededor de 11 años hace | 0

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MATLAB Figure file trouble
Since I don't have your full code, I have made two assumptions: # I have changed the button's TAG to "button_capture" # Make...

alrededor de 11 años hace | 0

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Pulling .mat files from multiple directories in one function
Windows convention with 'nix file slash...? Anyway... when you call; "load lName" it searches for lName from the current dire...

más de 11 años hace | 0

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Why guidata() doesn't work on an user function?
Here's what's going on - guidata updates the handles structure in the function it's called in, but the user function that calls ...

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How to make available initialization variables in workspace
You probably want to set a debug point somewhere in the while loop - either use the debug command or click the tick mark next to...

alrededor de 12 años hace | 0

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how to debug matlab code
<http://www.mathworks.com/help/matlab/ref/dbstop.html dbstop> is the corresponding main matlab debugging command. There are also...

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What's missing from MATLAB Central...
1) Github hosts a large number of MATLAB projects, and would be a great place to start if you want to jump into something collab...

alrededor de 12 años hace | 1

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code to obtain better curves
If you have the curve-fitting toolbox, smooth might be a good place to start; <http://www.mathworks.com/help/curvefit/smooth.htm...

alrededor de 12 años hace | 0

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File handling code for popup menu in gui
You can use the get command; get(handles.mypopup) Or for specific cases; get(handles.mypopup,'string'); % returns a...

alrededor de 12 años hace | 0

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Setting different values to properties in subplots generated by a function in a plot
Here's some example code using handles; figure subplot(1,2,1); plot(x,y) subplot(1,2,2) h1 = plot(x,z) hold on h2 = p...

alrededor de 12 años hace | 0

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Question about 'save' option for workspace variable saving
The filename needs to be a string. You can make a string with a variable value in it by using sprintf and providing the variable...

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I want to plot a line over a bar graph that shows a smooth distribution and display the mean, median, and range of the data.
You can use hold on to overlay plots (scaling factors 300, 150, 125 chosen to arbitrarily); A = randn(1000,1); hist(A) ...

alrededor de 12 años hace | 0

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How do I get fprintf to display several matrices at once while maintaining the desired order?
My guess would be that this is because MATLAB uses column-major order, you could simply transpose the matrix you are sending to ...

alrededor de 12 años hace | 0

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How to put a 3D bar graph besides a gray scale image?
Just saw this in the FeX, it may solve your problem; <http://www.mathworks.com/matlabcentral/fileexchange/7943-freezecolors-u...

alrededor de 12 años hace | 1

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Matlab Floating point question
Your first one is perhaps not producing the results you expect it to plot(diff(start:endit)/samprate) vs. plot(diff...

alrededor de 12 años hace | 0

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Import txt file into matlab using programically
The Documentation has rather extensive help for file opening, reading and saving <http://www.mathworks.com/help/techdoc/ref/f16-...

alrededor de 12 años hace | 1

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I need to know where should I put a file path. nc to be read by matlab?
Do you mean 'not to be read'? Just put it somewhere that is not included in the MATLAB Path (File -> Set Path). Matlab searches ...

alrededor de 12 años hace | 0

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How to use fittype and fit to get a logarithmic fit to some data
You may need to supply additional parameters to the fyttype object, otherwise it doesn't know what variables it can vary, and wh...

alrededor de 12 años hace | 0

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Plotting surf tiles at the center rather than bottom left
It looks like you're using essentially a binary map for the image. I would use imagesc instead, it draws the patch centered at t...

alrededor de 12 años hace | 0

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Sorting the variables in cells
I don't know of a built-in function that sorts cell arrays. I did a similar task awhile ago and had to pull out the data into a ...

alrededor de 12 años hace | 0

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Capture frames from 3D comet plot to make a movie
I had the same problem as you when modifying comet3. I got the movie working, but the process eliminates the immeadiate tail of ...

alrededor de 12 años hace | 0

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How can I plot a single graph that is generated from a file that contains various subfiles?
datafiles = dir('datarus*_qsStruc.mat'); nfiles = length(datafiles); % Get plot colors from a colormap mycolors = lin...

alrededor de 12 años hace | 0

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BWDIST label matrix not returning expected labels
I think you really want the distMap output, which gives you the _distance_ to the nearest non-zero pixel. labelMask gives you...

más de 12 años hace | 1

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Derivative of vector wrt time vector
A simple brute force numerical derivative would be find the change in x and divide by the change in t; dx = x(2:end) - x(1:...

más de 12 años hace | 4

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Load CSV file to matlab and avoiding word written in csv file for data analysis
<http://www.mathworks.com/help/techdoc/ref/importdata.html importdata> does a pretty good job of separating header from file inf...

más de 12 años hace | 1

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Don't understand my error mention
Can you post the code to trapezes - the error message says the problem is in there, you have something like; function Itr=t...

más de 12 años hace | 1

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How do I enter more than four rows in a GUI?
That is strange... here's my fix; Go back to "Table Property Editor" -> Select "Show Names below as the column headers" Go...

más de 12 años hace | 0

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