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...

12 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...

12 years ago | 1

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Warning "Unable to interpret LaTeX string ..."
In case you didn't know, you could suppress certain warnings, like this: warnState = warning('off', 'MATLAB:gui:latexsup:Ba...

12 years ago | 0

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Using gcf in functions
<http://www.mathworks.com/help/matlab/ref/gcf.html |gcf|> is not a variable, but rather a function. So you don't need to treat i...

12 years ago | 3

Answered
How to find all XY Graphs in Simulink model
As you can see from the FRP for <http://www.mathworks.com/help/toolbox/simulink/slref/find_system.html |find_system|>, you can s...

12 years ago | 1

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Answered
Fastest way to dot product all columns of two matricies of same size
When you say you're doing the dot product, I assume you're doing this: v1'*v2 and not dot(v1, v2) The equivalent...

12 years ago | 0

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File modification alert from windows api
You may be able to use the .NET interface, using the <http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx F...

12 years ago | 2

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Answered
How do I activate Simulink with R2011a Student Version?
Where are you looking for the icon? There will be no separate Simulink icon in your OS desktop. You start Simulink by starting M...

12 years ago | 0

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creating a single structure with 100 entries
You don't need to create a structure for that. You can do this: C2 = cat(3, C{:}); avg = mean(C2, 3) FYI, to answer y...

12 years ago | 1

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Answered
How do I delete a field variable from a structure
|handles.Data| is a field of variable |handles|. To delete a field, handles = rmfield(handles. 'Data'); To set the field...

12 years ago | 4

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Answered
problem acquiring the video from webcam
Put a breakpoint on line 4 of your function |getCameraInfo|, and explore your variable |camera_info|. Maybe your laptop isn't re...

12 years ago | 0

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"if "function
You can use the <http://www.mathworks.com/help/matlab/ref/isstrprop.html |isstrprop|> function. If |answer| is the input you got...

12 years ago | 1

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Answered
Refining the step size in colorbar
The colorbar step size is determined by the colormap of the figure. For example: colormap(jet(16)) colorbar

12 years ago | 0

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Separating the channels of a .wav sound file
If the .wav file is a stereo audio file, then <http://www.mathworks.com/help/techdoc/ref/wavread.html |wavread|> can read them i...

12 years ago | 1

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Answered
Memory
That's the theoretical limit that MATLAB can access on your 64-bit system, which is independent of how much RAM and Swap you hav...

12 years ago | 1

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Last non nan observation
I'm not sure if you're looking for the indices (row number) or the actual value of the last non nan observation. So here are bot...

12 years ago | 4

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Answered
Why use x=load('myFile.mat')?
You may actually get an incorrect answer in certain situations. For example, create a MAT file, myFile.mat, that has a variab...

12 years ago | 5

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12 years ago | 4

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Answered
Plot using scatter3 function.
Is this what you're looking for? x = rand(1,24); y = rand(1,24); z = rand(1,24); sz = 40; colors = jet(24); ...

12 years ago | 1

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What does a Distributed Computing Server license of 16 workers mean?
A "worker" is a MATLAB process that runs. Typically, you can think of each worker running on a physical core. If a node has mult...

13 years ago | 2

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Force plate zero offset
Typically, you would do a reference measurement (with no load on the force plate). Take that measurement and compute the average...

13 years ago | 1

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Answered
subdivide the axis into a grid without using subplot
Why don't you simply keep creating the patch object in a loop, without creating multiple axes. As long as the coordinates of the...

13 years ago | 0

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Use of "Break" in switch statement
What do you mean by "if the switch statement is fulfilled"? Are you trying to get out of the whole switch-case block while you a...

13 years ago | 0

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in wat order multiple images will be read and store in workspce?
That depends on how you read it in. You can't read all 10 images with a single <http://www.mathworks.com/help/matlab/ref/imread....

13 years ago | 0

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Evaluate symbolic matrix numerically.
Use <http://www.mathworks.com/help/toolbox/symbolic/subs.html |subs|>: subs(matrix, {A, B}, {0.5, 1})

13 years ago | 4

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parfor with very different computation times
Normally, <http://www.mathworks.com/access/helpdesk/help/toolbox/distcomp/parfor.html |parfor|> does load balancing. |parfor| br...

13 years ago | 3

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Problem with matlab not finding compilers using "mex -setup"
Could it be because Microsoft Visual 2010 Express was not officially supported in R2008b version of MATLAB? Here's the supported...

13 years ago | 0

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Simple, compiled "Hello, World" function takes 3 seconds to execute? Why so slow?
Kaustubha's explanation about MATLAB Compiler Runtime (MCR) is correct. The runtime is essentially MATLAB (without the desktop a...

13 years ago | 1

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Plot Legend
If you look at the documentation for <http://www.mathworks.com/help/matlab/ref/legend.html |legend|>, there's a syntax where you...

13 years ago | 2

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Answered
Handling large AVI videos
You say you need to analyze the video "frame-by-frame". That seems to indicate that you don't need to store all of the frames in...

13 years ago | 1