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Becky CNS


9 total contributions since 2018

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Question


How to get an image of a time frequency representation?
Hi, I am trying to compute a time frequency representation plot for a frequency range of 1-60hz. My first issue is that the co...

2 years ago | 1 answer | 0

1

answer

Question


How to compute the mean amplitude of each frequency across trials?
This is probably so easy but I can't get it. After doing a fourier transform (the data matrix is trials x time so I think I do a...

2 years ago | 1 answer | 0

1

answer

Question


Add zeros to matrices same as length of another matrix
I have to determine the beta weights of an fmri data subset. To do this I think I should perform a multiple regression of the bo...

2 years ago | 3 answers | 0

3

answers

Answered
How to add zeros to the end of an array
I am trying to do this but with A and B as matrices. The error message I get is 'Dimensions of matrices being concatenated are n...

2 years ago | 0

Question


How to find sampling rate from a signal vector and a time vector?
I have signal vectors and corresponding time vectors. Is there a specific way to calculate the sampling rate and the number of s...

2 years ago | 2 answers | 0

2

answers

Question


How to resample a data file using specific indices? And not using the resample function
The resampling index goes from [1:2:70000]. How do I incorporate this into data file (70000x1) to resample it? Because of thi...

2 years ago | 0 answers | 0

0

answers

Question


Function of multiple outputs produces only one answer or three with a redundant 'ans' . How to fix?
I only want the two output outlined in the function with the corresponding titles but this produces only one answer 'ans': ...

2 years ago | 1 answer | 0

1

answer

Question


Please help me create simple function to convert celsius to fahrenheit and another for inverse?
Matlab keeps complaining about invalid syntax but I don't understand why. Errors keep arising mainly with the brackets saying th...

2 years ago | 1 answer | 0

1

answer

Question


In a set up that provides guesses at a random number: how to get Matlab to display the guess that was correct (e.g. 4th)?
I've set up a loop including while, if, and else functions so that five guesses are made before a result is given whether these ...

2 years ago | 1 answer | 0

1

answer