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How to pre-allocate a matrix (from cell) when dimensions change

Dear all, B is a 1x3 cell. The 1st element is empty (it doesn't matter because my loop will start at position 2). the other el...

6 months ago | 1 answer | 0

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answerQuestion

how to use sum and isnan across two different matrices

Hi all, How does one use sum and isnan to compare values in rows located in different matrices? sum(isnan(data(i,2:end)),mat...

6 months ago | 0 answers | 0

### 0

answersQuestion

filling a cell array with pairs of columns of different length in a loop where one column remains fixed (but may vary in size) and the other changes with the loop

Dear All, I’m stuck with something intractable. I have some raw time series, where the rows of NaNs at the start and end of...

6 months ago | 1 answer | 0

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answerQuestion

Extract one element from a matrix in a loop and save unto a vector

Hi there, I'm trying to store the correlation coefficients between one variable and 6 (respectively) leads and lags of another...

7 months ago | 0 answers | 0

### 0

answersQuestion

How do I take the mean of each row every third column?

Hi all, This is what I'm trying to do- E is a 65x900 array, and I want to extract from that the mean for each row of every t...

2 years ago | 1 answer | 0

### 1

answerhow do I go about creating and storing data for a monte carlo simulation?

I think this does it. For those who might need to do something similar: clc; clear; par.muorig = 5; par.sigmaorig = 5; ...

2 years ago | 0

Question

how do I go about creating and storing data for a monte carlo simulation?

Hi all, This is my ham-fisted attempt to assign memory for the above. Let's say that I want my simulated data to be normally...

2 years ago | 1 answer | 0

### 1

answerQuestion

Randi worked in a program I ran 5 weeks ago, today it doesn't-what gives?

Dear all, I had a perfectly-functioning program that used this line: c = randi([1,n],mn,1) where n and mn are integers. I'...

2 years ago | 1 answer | 0

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answerQuestion

Mscohere-why would the coherence tends to 1 as nfft increases?

Dear all, Does anyone have a clue as to why -using mscohere- the coherence becomes exactly one for all frequencies if nfft i...

3 years ago | 0 answers | 0

### 0

answersQuestion

How to store columns of different lengths using cells

Dear all, I understand that in order to store column vectors of different length one ought to use cells. I fail to see my mist...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to preserve column titles from a table created with array2table when I copy and paste into excel

Dear all, My problem is to do with copying and pasting a table created with array2table into excel. I seem to be able to onl...

3 years ago | 1 answer | 0

### 1

answerQuestion

what's a smarter way to associate numbers in an array to variable names?

I've asked this in the comments as a follow up to another question, but I think I broke etiquette because it wasn't related.. I'...

3 years ago | 0 answers | 0

### 0

answersQuestion

How to access a string array and use the contents as titles within array2table

Meancoh is an 24x6 ordinary array. meancoh=zeros(TT2,n1); I've created a 6x1 string array called storehere, that, if accesse...

3 years ago | 2 answers | 0

### 2

answersQuestion

How do I keep track of string values relating to columns before I shove everything into a table?

Dear all, I posted on this before, but having included the whole script, I think it was a big ask for anyone to bother with it...

3 years ago | 0 answers | 0

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answersQuestion

Is it possible to zero-pad series when using MSCOHERE?

fft allows one to zero-pad, and mscohere, after all works with auto and cross spectra, which, presumably, have all been calculat...

3 years ago | 0 answers | 0

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answersQuestion

how to get rid of NaN column by column

Dear members, I have a program that allows me to what I set out to do on a single time series. Now that I’m satisfied with...

4 years ago | 2 answers | 0