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Abhilash


Max Planck Institute for Biological Cybernetics

23 total contributions since 2011

Professional Interests: Systems Neuroscience

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Question


Getting unique elements that form pairs in a Matrix
Dear Everyone, I have an issue. I have a matrix of pairwise neuronal correlations. Which means if I have 137 neurons, my m...

2 years ago | 0 answers | 0

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answers

Question


Increasing two different counters by clicking on different parts of a figure
<</matlabcentral/answers/uploaded_files/46068/OKN_160216_RE270.png>> Hi guys, So here is a figure. This shows the Optokine...

3 years ago | 0 answers | 0

0

answers

Question


How to occlude certain parts of a Gabor patch?
Hi guys, So I generate a gabor patch that is essentially an entire image 1280x800 pixels using a custom script. The entire ma...

7 years ago | 0 answers | 0

0

answers

Question


A filter that varies in time - How to implement?
Hi guys, So I need to do this experiment where I need to present a sound for 175 s, and while the sound is playing, at certai...

7 years ago | 0 answers | 0

0

answers

Question


Single-non-singleton assignment error during Bootstrap
Hi guys, So I this data set, 8 points each, one for two different conditions, let's say Sound and No-sound. X-axis is contras...

7 years ago | 0 answers | 0

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answers

Question


Plotting X-X and Y-Y (a cross on a point)
Hey guys, So I have these 6 values of a certain quantity. When I do a scatter plot, I get three points. Now each of these...

7 years ago | 1 answer | 0

1

answer

Question


Playing synchronous sounds on two different speakers out of a set of 8 randomly
I just downloaded p_wavplaya to play multichannel sounds. I also have PsychToolBox's PsychPortAudio. I plan to use it to play...

7 years ago | 0 answers | 1

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answers

Question


Device ID problems
Hey guys, So I am doing this experiment where I need to send out audio to 8 different speakers. 1 speaker is constant in all ...

8 years ago | 1 answer | 0

1

answer

Question


Need to generate bandpass filtered white-noise
Hi guys, I am doing a psychophysical experiment and I need to generate two white noises, but which are bandpass filtered, the...

8 years ago | 2 answers | 0

2

answers

Question


Detecting stimulus onsets
Hey guys, So I have this array which contains the waveform of the stimulus used. We played to the rat a ping sound which last...

8 years ago | 0 answers | 0

0

answers

Answered
Setting path not working!
I specified another input argument where the user enters the name of the directory in which his function-m files are and then I ...

8 years ago | 0

Question


Setting path not working!
Hi Guys, I have my function files in a different directory as - C:\lab\Abhilash\Analysis Tools and C:\lab\Abhilash\...

8 years ago | 2 answers | 0

2

answers

Question


Plotting different colours
Hi Guys, So I need to plot these three vectors - 1 has 100 elements, 2 has 598 and 3 has 100. I combine them into one. And th...

8 years ago | 1 answer | 0

1

answer

Answered
Eliminating common elements across multiple arrays
I got it. I combined all the channels except 21 into a long vector and then took the intersection of the rest and 21. Thanks ...

8 years ago | 0

| accepted

Question


Eliminating common elements across multiple arrays
Hi Guys, So I have this cell array with 32 cells. Each cell contains a different number of elements. All elements are the time-...

8 years ago | 2 answers | 0

2

answers

Question


Eliminating 0 rows in a matrix with other rows having 0s and 1s
Hi guys. So I have this matrix NxM size. Each row represents a spiking pattern of a neuron in one time frame. Each row which ...

8 years ago | 3 answers | 0

3

answers

Answered
Problem with the while loop
Ah shoot sorry, nevermind. I'm not going to look for a 2nd max. Makes no sense. I'll just sample how many ever points are left a...

8 years ago | 0

| accepted

Question


Problem with the while loop
Hi Guys, So I have this set of data recorded from a rat. It is presented as a spike-count average and normalised to spikes/s ...

8 years ago | 2 answers | 0

2

answers

Question


Insert zeros in a vector - Random
Hi guys, So I have this vector with 182 elements that show me timings of a neuron's spiking activity. Each element correspond...

8 years ago | 1 answer | 0

1

answer

Answered
Solving the scaling problem.
Thanks guys. Okay here's what I'm really trying to do. My colleague has these image pairs that will be, in a behavioural expe...

8 years ago | 0

Question


Solving the scaling problem.
So I have a problem with finding out scaling. I have a vector x1 and a vector x2. I suspect that some elements of x2 might be sc...

8 years ago | 3 answers | 0

3

answers

Answered
Shape matching tactics for shapes and complex images
I'd really appreciate any help on this matter. Thanks

8 years ago | 0

Question


Shape matching tactics for shapes and complex images
Hi everyone. First up, I must declare that I am a student of neuroscience who studied biology at the bachelor's level and the...

8 years ago | 2 answers | 2

2

answers