Published

Playing Billiards in MATLAB
Brett's Pick this week is pool, by Husam Aldahiyat. Today's quick Pick is all about escapism. Back in...

14 years ago

Answered
opening many files and changing code to match file name
This is probably a little too specific to your case, i.e. it's looking for a particular text. I'm just using <http://www.mathwor...

14 years ago | 0

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Weather at your fingertips
Jiro's pick this week is Google Weather by Sagar Aiya. Since I spend a lot of my work (and some non-work) time in...

14 years ago

Answered
Bug when printing to eps
Does this work? print(fig_h, '-depsc','-r700',file_saveas)

14 years ago | 2

Published

When Deal doesn’t work, Disperse!
Brett's Pick this week is Disperse, by Sam Hallman. When I first saw Sam's "disperse" function--with the...

14 years ago

Answered
Simultaneous Video and Audio Acquisition
I assume you want something much better than issuing a "start" command to both |analoginput| and |videoinput| objects like this:...

14 years ago | 0

Solved

Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

14 years ago

Solved

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

14 years ago

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

14 years ago

Answered
Unwanted line on plot
Is this what you're looking for? count = 0; Out1 = nan(1, 30); Time = nan(1, 30); while count < 3 for i = 1...

14 years ago | 0

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Answered
Unwanted line on plot
*[Old Answer]* You're seeing that behavior because you have data points remaining from the previous loop. You can reset the v...

14 years ago | 0

Answered
error in code
Read this line carefully: k(i+1;:)=k(i;:)+h*F_tanker(x,kat(i)) ; You have a couple of extra |;| in the line.

14 years ago | 0

Answered
Beginners Guide to Excel Link?
Have you gone through the documentation for Excel Link (or Spreadsheet Link EX)? It has several examples, including writing VBA ...

14 years ago | 0

Answered
Labeling data points in plotyy
You can specify the axes in which to place the text. For example, specify |ax(2)| for the right axes. Notice below, I specifi...

14 years ago | 0

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Answered
GUI - How to make a pop-up figure prevent from modifying anything else until it's closed
Is this what you're looking for? figure('WindowStyle', 'modal')

14 years ago | 3

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Answered
replacement of for loop
It should be |&| instead of |&&| indexes= ROI~=255 & ROI~=0;

14 years ago | 0

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Answered
swap matrix row randomly
random_x = x(randperm(size(x, 1)), :)

14 years ago | 30

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Answered
Question about labels under each boxplot.
When you say you don't have success, I assume you're saying that the labels aren't being rendered with the bold/italics/subscrip...

14 years ago | 2

Answered
converting date to matlab date
You need to pass in a string for datenum datenum('20100815', 'yyyymmdd')

14 years ago | 1

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Answered
Identifying lab id within a parfor
Why not save the file based on the iteration number? Wouldn't you still overwrite the results if you were using the labindex bec...

14 years ago | 1

Solved

Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

14 years ago

Answered
function reference file
Read about <http://www.mathworks.com/help/matlab/matlab_prog/function-handles.html "Function Handles"> here.

14 years ago | 0

Answered
"print figure" to variable... getframe, with better resolution...
Take a look at <http://www.mathworks.com/matlabcentral/fileexchange/23629 |export_fig|> which is a user-submitted file on File E...

14 years ago | 0

Answered
structure conversion
Functions can take structures (created from Simulink or elsewhere). It depends on which function you're trying to call. That det...

14 years ago | 0

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Published

Interactive Curve Class
Jiro's pick this week is Interactive Curve Class by Maxim Vedenyov. Have you ever wanted to create a test data set...

14 years ago

Answered
Unable to run Discriminant Analysis
|ClassificationDiscriminant| class is new in R2011b Statistics Toolbox. Do you have R2011b?

14 years ago | 0

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Answered
"rise time, overshoot, settling time" from Simulink graph?
If you have <http://www.mathworks.com/products/control/ Control System Toolbox>, you can use <http://www.mathworks.com/help/tool...

14 years ago | 1

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Solved

Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

14 years ago

Answered
Need help solving second order differential equations using ODE45
The initial conditions imply that t=0, so you simply need to pass in the two initial conditions for x and dx/dt. So for your exa...

14 years ago | 0

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Answered
Pop up menu
Value = 2; set(handles.popupmenu, 'Value', Value); |'Value'| refers to the "Value" property of the pop up menu. The seco...

14 years ago | 1

| accepted