Answered
Image Source Method RIR and Energy Decay Time
It is not clear to me what your question is, but that doesn't generally stop me from guessing. The description of what you are d...

15 years ago | 0

Answered
Matlab movie problems
Can you provide a link to the "instruction manual." There is a FEX submission mpgwrite, but I cannot find any documentation on a...

15 years ago | 0

Answered
[DISCONTINUED] Wish-list for MATLAB Answer sections.
Free MATLAB swag for frequent contributors. While striving to get added to <http://www.mathworks.com/matlabcentral/answers/1058-...

15 years ago | 3

Answered
classifying data to caculate transition probabilities
This seems like a pretty straight forward classification problem. What have your tried so far? Assuming your data satisfy a few ...

15 years ago | 0

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what does the term "display visual resolution in pixels/degree" means?
In vision, the number of degrees of visual angle ( <http://en.wikipedia.org/wiki/Visual_angle> ) is generally more important the...

15 years ago | 0

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Recording two separate inputs over one mic input.
You probably want to use audiorecorder instead of wavrecord. You can only return 1 argument, but it can be nx2 such that x(:,1) ...

15 years ago | 0

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Answered
Synchronizing experimental data with different timescales
A quick glance suggests your sample rates are all over the place, but never have a precision greater than 1s, so I would suggest...

15 years ago | 1

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Answered
How can the "fft" alogrithm analyze non-stationary sources?
I think you are mixing up some things. You can take the ifft of the fft of any signal and get back, to within machine precision,...

15 years ago | 0

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How to input values in a GUI and send it to MainGUI ??
I suggest having a look at FAQ 3.F <http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GU...

15 years ago | 0

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can we access the audio while recording online using matlab?
I am not sure what "play online while recording" means. You can play and record sounds "simultaneously" with audioplayer/audiore...

15 years ago | 0

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converting date and time ind text format to a number
doc datenum doc datestr

15 years ago | 0

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Answered
rename workspace variables
When you load the .mat file, load it to a variable: x = load('mymat.mat'); names = fieldnames(x) for iname = 1:length...

15 years ago | 2

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Answered
Marix manipulation
My solution has a for loop. [b, i, j] = unique(a(:, 1:(end-1)), 'rows'); c = b; for ii = 1:length(i) c(ii, 4) = ...

15 years ago | 0

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Answered
Emergency
The first step is to read your file into MATLAB doc fread The next step is to write the data you read in to a wav file ...

15 years ago | 0

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Instantaneous Frequency
Your problems are coming from the unwrapping of the phase. Your estimate of the instantaneous frequency can only be negative if ...

15 years ago | 0

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Answered
Signal processing
[Rxx, lags] = xcorr(x, y) [Y, I] = max(Rxx); lags(I)

15 years ago | 0

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Answered
How to generate gaussian white noise with variable variance
It is not clear what do you mean by variable variance. If you want a bunch of random numbers all with the same variance, but you...

15 years ago | 0

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Answered
how to generate a uniform random variable with mean zero and variance ten?
((2*rand)-1)*sqrt(12/4)*sqrt(10) The ((2*rand)-1) gives you a random variable with zero mean and a variance of 4/12. The re...

15 years ago | 1

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how to plot the pdf of a random variable?
figure x = -10:0.1:10; x = -10:0.1:10; plot(x, unifpdf(x, 0,1)) You can of course change the range of x to suit your ...

15 years ago | 0

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Answered
Memory pig?? Problem with kron function
Have you tried rebooting? You have 4 GB of RAM, MATLAB is using 331 MB, but can only find 587 MB free.

15 years ago | 1

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stimulus presentation
If you really want 200ms and want to take into account screen refreshes, then you cannot do it easily in MATLAB. People have wri...

15 years ago | 0

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Can I set a range for spectrogram Analysis
You cannot set the frequency range for spectrogram analysis using the spectrogram function. You can, however, perform a short-ti...

15 years ago | 1

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How I can use rand('seed', ??) for neural network model?
If you are using r2011a, then this link might help <http://blogs.mathworks.com/loren/2011/07/07/simpler-control-of-random-num...

15 years ago | 0

Question

How to read a question with 90+ answers
At some point yesterday something happened to the wish list for MATLAB answers question <http://www.mathworks.com/matlabcentral/...

15 years ago | 3 answers | 0

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answers

Answered
how to remove decimals
double(int64(10.2))

15 years ago | 1

Answered
how to remove decimals
doc round

15 years ago | 2

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how to run the matlab code step-by-step?
There is a recent blog post by Loren <http://blogs.mathworks.com/loren/2011/04/28/is-there-an-echo-out-there/> about the echo co...

15 years ago | 1

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Is vectorized code always faster than loops? Any exceptions?
I am not sure if vectorization is always faster, but loops are not as expensive as they used to be, thanks to the JIT accelerato...

15 years ago | 0

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Vectorizing Calculation of the Autocorreltion function of a Matrix (Per Column)
Wow, it is like a vectorization party in here today. Why do you want to vectorize your code? In recent years MATLAB has substant...

15 years ago | 0

Answered
LOCALIZATION OF SOUND/TONE (3D SOUND)
Note to be rude, but rather pragmatic, you can't. In the absence of head movement and reverberation front-back confusions are fr...

15 years ago | 0