Answered

How do I find multiple times in one array the first index of 25 samples exceeding the threshold

You never needed a loop to do what you want. The below will find the start indices of all runs of 1 of length 25 or more: %demo...

How do I find multiple times in one array the first index of 25 samples exceeding the threshold

You never needed a loop to do what you want. The below will find the start indices of all runs of 1 of length 25 or more: %demo...

2 días ago | 0

| accepted

Answered

time formate changes while exporting table as excel

The date/time format specifiers in Excel are slightly different from the ones use by matlab. In particular, to display milliseco...

time formate changes while exporting table as excel

The date/time format specifiers in Excel are slightly different from the ones use by matlab. In particular, to display milliseco...

2 días ago | 0

Answered

Need help creating a for loop

No need for a loop: result = nonzeros(flipud(tril(repmat((95:-5:5)', 1, 95/5))))' Of course, if this is homework and you do ne...

Need help creating a for loop

No need for a loop: result = nonzeros(flipud(tril(repmat((95:-5:5)', 1, 95/5))))' Of course, if this is homework and you do ne...

2 días ago | 0

| accepted

Answered

Making loop calculate-able

Even if your code is correct, it is extremely bad practice to use the same variable names for the loop indices and for local var...

Making loop calculate-able

Even if your code is correct, it is extremely bad practice to use the same variable names for the loop indices and for local var...

3 días ago | 0

Answered

How to fix the errors Arise from moving .m files and functions in folders?

Ok so I should move all of the programs and functions (.m files ) in other drive except drive C (which Matlab has installed), fo...

How to fix the errors Arise from moving .m files and functions in folders?

Ok so I should move all of the programs and functions (.m files ) in other drive except drive C (which Matlab has installed), fo...

3 días ago | 1

Answered

Get all sets of cells from two arrays of cells, each of which contains exactly one cell from each column of each arrays.

There's no such thing as an array of cells in matlab. There are matrices or arrays (a matrix being a 2D array) and there are cel...

Get all sets of cells from two arrays of cells, each of which contains exactly one cell from each column of each arrays.

There's no such thing as an array of cells in matlab. There are matrices or arrays (a matrix being a 2D array) and there are cel...

3 días ago | 0

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Answered

matlab file on disk might be empty

I would suggest you contact your IT. There's clearly a synchronisation problem between your computer and the network drive. Note...

matlab file on disk might be empty

I would suggest you contact your IT. There's clearly a synchronisation problem between your computer and the network drive. Note...

3 días ago | 0

Answered

Choosing data based on names

Of course, you don't need to hardcode anything. If you really just want A: [minval, maxval] = bounds(data.Test1(data.Type == '...

Choosing data based on names

Of course, you don't need to hardcode anything. If you really just want A: [minval, maxval] = bounds(data.Test1(data.Type == '...

5 días ago | 1

Answered

Variance function in matlab

Yes, this is exactly what it says in the documentation. Weight, specified as one of: 0 — normalizes by the number of observati...

Variance function in matlab

Yes, this is exactly what it says in the documentation. Weight, specified as one of: 0 — normalizes by the number of observati...

5 días ago | 0

| accepted

Answered

How do you remove duplicates of nested cells?

Sounds like: Dates{1} = unique(Dates{1}); %What a misleading variable names if it doesn't contain dates/times! is what you're...

How do you remove duplicates of nested cells?

Sounds like: Dates{1} = unique(Dates{1}); %What a misleading variable names if it doesn't contain dates/times! is what you're...

5 días ago | 0

Answered

Index position exceeds array bounds(must not exceed 15)

I'm not sure what you find unclear about the error and why you can't find the problem yourself. Index in position 1 exceeds arr...

Index position exceeds array bounds(must not exceed 15)

I'm not sure what you find unclear about the error and why you can't find the problem yourself. Index in position 1 exceeds arr...

5 días ago | 0

Answered

large numbers in K means

What's unclear about the error? You must specify less cluster than the number of rows in your matrix/vector. So make sure that K...

large numbers in K means

What's unclear about the error? You must specify less cluster than the number of rows in your matrix/vector. So make sure that K...

5 días ago | 0

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Answered

./ and .* operations

As per G A's comment, R2016b introduced automatic expansion for compatible array sizes. So, this works in R2016b or later: x = ...

./ and .* operations

As per G A's comment, R2016b introduced automatic expansion for compatible array sizes. So, this works in R2016b or later: x = ...

5 días ago | 0

Answered

Assign value to matrix using vector value as an index

One solution: [row, page] = ndgrid(1:numel(a), 1:numel(B)); %cartesian product of indices of a and B. Indicates which row and ...

Assign value to matrix using vector value as an index

One solution: [row, page] = ndgrid(1:numel(a), 1:numel(B)); %cartesian product of indices of a and B. Indicates which row and ...

5 días ago | 0

| accepted

Answered

Loop for extracting a matrix

Reshape your array into a 3D array with rows of 10 elements, columns of 150/10 = 15 elements, and 2 pages. Take the mean across ...

Loop for extracting a matrix

Reshape your array into a 3D array with rows of 10 elements, columns of 150/10 = 15 elements, and 2 pages. Take the mean across ...

6 días ago | 0

Answered

How to generate the n number of figure for n numbers of subplots

I was very surprised to find that subplot 231 works. It's an undocumented feature of subplot, I would strongly recommend again...

How to generate the n number of figure for n numbers of subplots

I was very surprised to find that subplot 231 works. It's an undocumented feature of subplot, I would strongly recommend again...

6 días ago | 0

| accepted

Answered

list names in an array

A lot simpler than all that has been suggested: foldercontent = dir('C:\somewhere\*.csv'); filelist = fullfile({foldercontent....

list names in an array

A lot simpler than all that has been suggested: foldercontent = dir('C:\somewhere\*.csv'); filelist = fullfile({foldercontent....

7 días ago | 2

Answered

Concatenating cell arrays with a different number of columns

maxcols = max(cellfun('size', NonC_tRNAs, 2)); %get the number of columns of the widest array padded = cellfun(@(m) [m, zeros(...

Concatenating cell arrays with a different number of columns

maxcols = max(cellfun('size', NonC_tRNAs, 2)); %get the number of columns of the widest array padded = cellfun(@(m) [m, zeros(...

7 días ago | 0

| accepted

Answered

Generate Random Matrix 0's,1's

Note that a 3x2 is a matrix with 3 rows and 2 columns, not the other way round. Bearing in mind that there are n^m such matric...

Generate Random Matrix 0's,1's

Note that a 3x2 is a matrix with 3 rows and 2 columns, not the other way round. Bearing in mind that there are n^m such matric...

7 días ago | 1

Answered

Problem with register MATLAB as Automation Server

As the error message says your Windows user account must have administator privilege to install automation servers (matlab or ot...

Problem with register MATLAB as Automation Server

As the error message says your Windows user account must have administator privilege to install automation servers (matlab or ot...

8 días ago | 0

| accepted

Answered

Extract vector parts around index under boolean conditions

One way: testvector = repmat([0 0 1 0 0 0 1 1 1 1 1 1 1 1 0 0 0 1 0 0 1], 1, 3); %replicate your demo vector so that there is ...

Extract vector parts around index under boolean conditions

One way: testvector = repmat([0 0 1 0 0 0 1 1 1 1 1 1 1 1 0 0 0 1 0 0 1], 1, 3); %replicate your demo vector so that there is ...

8 días ago | 0

| accepted

Answered

caesar cyphor encryption problem .

Use mod or rem to constrain values between 0 and a maximum, with wrap-around.e.g: >> mod(0:51, 26) ans = Columns 1 through ...

caesar cyphor encryption problem .

Use mod or rem to constrain values between 0 and a maximum, with wrap-around.e.g: >> mod(0:51, 26) ans = Columns 1 through ...

9 días ago | 0

Answered

Finding every point of intersection between any number of circles and ellipses centered at the origin

Your initialisation variables are a bit strange. You create PhiMax and Phi but never use them. Your b calculation just reduces t...

Finding every point of intersection between any number of circles and ellipses centered at the origin

Your initialisation variables are a bit strange. You create PhiMax and Phi but never use them. Your b calculation just reduces t...

9 días ago | 0

Answered

Writing data to table with for loops

As commented you don't need loops to construct all your spurs: LO = 11:2:21; RF = 2:0.1:18; n = 0:5; m = 1:5; [mm, nn, rf, ...

Writing data to table with for loops

As commented you don't need loops to construct all your spurs: LO = 11:2:21; RF = 2:0.1:18; n = 0:5; m = 1:5; [mm, nn, rf, ...

9 días ago | 2

| accepted

Answered

how to identify unique columns, based on the first two rows, make an average of the uniques columns and remove the duplicate columns?

using unique and accumarray: [latlong, ~, group] = unique(yourmatrix(:, [1, 2]), 'rows'); %optionally use the 'stable' option...

how to identify unique columns, based on the first two rows, make an average of the uniques columns and remove the duplicate columns?

using unique and accumarray: [latlong, ~, group] = unique(yourmatrix(:, [1, 2]), 'rows'); %optionally use the 'stable' option...

9 días ago | 2

Answered

Pull out strings and its values from a text file.

HI Sriram, sorry I was away last week. Parsing the the first part of each message (date, level, source) is trivial. It's the pa...

Pull out strings and its values from a text file.

HI Sriram, sorry I was away last week. Parsing the the first part of each message (date, level, source) is trivial. It's the pa...

10 días ago | 1

Answered

Most efficient method to search through file names?

I would create a function that parses the filenames and split them into variables of a table (or even a timetable). Then it's tr...

Most efficient method to search through file names?

I would create a function that parses the filenames and split them into variables of a table (or even a timetable). Then it's tr...

10 días ago | 1

| accepted

Answered

How To Load Multiple Text Files (specific context)

As dpb suggested use one of the modern file import function such as readtable or readmatrix instead of the old textscan. These c...

How To Load Multiple Text Files (specific context)

As dpb suggested use one of the modern file import function such as readtable or readmatrix instead of the old textscan. These c...

10 días ago | 1

| accepted

Answered

my for loop is not extracting all the possible values

A very important rule when you use floating point numbers on a computer (not just matlab, but all languages). Never compare floa...

my for loop is not extracting all the possible values

A very important rule when you use floating point numbers on a computer (not just matlab, but all languages). Never compare floa...

16 días ago | 2

| accepted

Answered

Table values that is a scalar string

As said in your previous question, read the doc about tables. For this particular case, the bits about table indexing. () index...

Table values that is a scalar string

As said in your previous question, read the doc about tables. For this particular case, the bits about table indexing. () index...

16 días ago | 0

| accepted