Answered

add data information with scatter or plot

Personally, I would just use scatter3 and then look at the data from above (along the z-axis). So something like: scatter3(x,y,...

add data information with scatter or plot

Personally, I would just use scatter3 and then look at the data from above (along the z-axis). So something like: scatter3(x,y,...

12 mois ago | 0

| accepted

Answered

Interchange dimensions of cell array and the matrices included in it

Here's one way temp = vertcat(originalData{:}); D = repmat({zeros(3,27)},1,1000); % preallocate for ii = 1:1000 D{ii} = ...

Interchange dimensions of cell array and the matrices included in it

Here's one way temp = vertcat(originalData{:}); D = repmat({zeros(3,27)},1,1000); % preallocate for ii = 1:1000 D{ii} = ...

12 mois ago | 0

Answered

rectangle invisible in matlab

The following works for me: roi.Visible = 'off';

rectangle invisible in matlab

The following works for me: roi.Visible = 'off';

12 mois ago | 1

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Answered

How to extract points from a 3D plot that fall within a particular distance from the center coordinate?

The points which are within a radius, r, from the origin can be obtained as follows: index = sum(X.^2,2) < r^2; % X is an n by...

How to extract points from a 3D plot that fall within a particular distance from the center coordinate?

The points which are within a radius, r, from the origin can be obtained as follows: index = sum(X.^2,2) < r^2; % X is an n by...

12 mois ago | 1

Answered

connect Matlab to Binance API

Try my recent submission to the file exchange: MATLAB-Binance-API Then placing a limit order is simply: obj = spot.newOrder(...

connect Matlab to Binance API

Try my recent submission to the file exchange: MATLAB-Binance-API Then placing a limit order is simply: obj = spot.newOrder(...

environ un an ago | 1

Answered

Finding coordinates with image processing

You could use the regionprops function to get the centroids. See the following example: % This just sets up an image for demo ...

Finding coordinates with image processing

You could use the regionprops function to get the centroids. See the following example: % This just sets up an image for demo ...

environ un an ago | 0

Answered

Extracting files of the same name only from the first level of subdirectories

Hey Bob, a single star will go down one level only, so try the following: list = dir(fullfile(Alevel,'*','filename.txt'))

Extracting files of the same name only from the first level of subdirectories

Hey Bob, a single star will go down one level only, so try the following: list = dir(fullfile(Alevel,'*','filename.txt'))

plus d'un an ago | 0

| accepted

Answered

switch command on listbox value

You can get an index of the selected values as follows: idx = ismember(app.ListBox.Items,app.ListBox.Value); Then, make the pl...

switch command on listbox value

You can get an index of the selected values as follows: idx = ismember(app.ListBox.Items,app.ListBox.Value); Then, make the pl...

plus d'un an ago | 0

| accepted

Answered

Reading values from xml file

You can now read XML files in R2021a using readtable (and readtimetable). For example: filename = 'students.xml'; T = readtabl...

Reading values from xml file

You can now read XML files in R2021a using readtable (and readtimetable). For example: filename = 'students.xml'; T = readtabl...

plus d'un an ago | 1

Answered

How can I assign information to my array file?

You could make a table as follows: w = strings(size(mci)); w(mci<0.4) = "wheeze"; w(mci>=0.4) = "non-wheeze"; T = table(mci....

How can I assign information to my array file?

You could make a table as follows: w = strings(size(mci)); w(mci<0.4) = "wheeze"; w(mci>=0.4) = "non-wheeze"; T = table(mci....

plus d'un an ago | 0

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Answered

Capture plot titles using getframe and writerobj

You can use the figure handle (instead of the axis handle) with the getframe function and that captures the entire interior of t...

Capture plot titles using getframe and writerobj

You can use the figure handle (instead of the axis handle) with the getframe function and that captures the entire interior of t...

plus d'un an ago | 0

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Answered

How to divide images from folder into 4x4 blocks

Hi Petrus, the mat2cell approach that Jonas pointed out can be done more generally as follows. Note, this handles the scenario w...

How to divide images from folder into 4x4 blocks

Hi Petrus, the mat2cell approach that Jonas pointed out can be done more generally as follows. Note, this handles the scenario w...

plus d'un an ago | 0

| accepted

Answered

Identify index of cell based on stringlength

Example data: Tstr{1}{1,1} = 'Hello... It me, I was wondering if after all these years youd like to meet'; Tstr{1}{2,1} = '18...

Identify index of cell based on stringlength

Example data: Tstr{1}{1,1} = 'Hello... It me, I was wondering if after all these years youd like to meet'; Tstr{1}{2,1} = '18...

plus d'un an ago | 0

| accepted

Answered

bitget working with an example

As I'm sure you know, computers communicate at the lowest level with underlying switch-like states known as bits, whose digital ...

bitget working with an example

As I'm sure you know, computers communicate at the lowest level with underlying switch-like states known as bits, whose digital ...

plus d'un an ago | 2

Answered

Getting error while deleting every row of the matrix M that contains the variable x

No need for any loops. Here's an example of data to work with M = randi(10,[10 3]); % sample data x = 3; % ...

Getting error while deleting every row of the matrix M that contains the variable x

No need for any loops. Here's an example of data to work with M = randi(10,[10 3]); % sample data x = 3; % ...

plus d'un an ago | 1

Answered

Plotting doubles against cells

Here's an example, i've used X and Y in place of AAG and AAI to simplify: % example data X = arrayfun(@(x) cell(1,randi(1000,1...

Plotting doubles against cells

Here's an example, i've used X and Y in place of AAG and AAI to simplify: % example data X = arrayfun(@(x) cell(1,randi(1000,1...

plus d'un an ago | 0

| accepted

Answered

Saving Output in a While Loop

You could store the letters as follows in the variable currentResult. I've added in some conditions to count lives. One could al...

Saving Output in a While Loop

You could store the letters as follows in the variable currentResult. I've added in some conditions to count lives. One could al...

plus d'un an ago | 1

Submitted

codesearch

Quickly search all folders and subfolders from your user path for m-files that contain a specific search term.

plus d'un an ago | 1 download |

Answered

Increase matrix size, with the first matrix a the center of the new matrix

There is a function made specifically for this called padarray, try the following example: A = rand(2000); B = padarray(A,[100...

Increase matrix size, with the first matrix a the center of the new matrix

There is a function made specifically for this called padarray, try the following example: A = rand(2000); B = padarray(A,[100...

presque 2 ans ago | 0

Answered

Rescale points plotted using scatter3 based on their distance from the origin

Yes. Firstly get distances from the origin: d = sqrt(sum(A.^2,2)); If you have the machine learning & statistics toolbox, you...

Rescale points plotted using scatter3 based on their distance from the origin

Yes. Firstly get distances from the origin: d = sqrt(sum(A.^2,2)); If you have the machine learning & statistics toolbox, you...

presque 2 ans ago | 0

| accepted

Answered

Extracting specific rows with different content from a large table array

Tnew = T(T.MatDate>=SpecificDay-30 & T.MatDate<=SpecificDay+10,:);

Extracting specific rows with different content from a large table array

Tnew = T(T.MatDate>=SpecificDay-30 & T.MatDate<=SpecificDay+10,:);

presque 2 ans ago | 1

Answered

How to pick the values from individual grids ?

The objective is to create an excel sheet with columns of data having different length. You can store data that has different le...

How to pick the values from individual grids ?

The objective is to create an excel sheet with columns of data having different length. You can store data that has different le...

presque 2 ans ago | 1

| accepted

Answered

Sample a 3D surface

If I understand correctly, you just want to generate some x,y values that match your z values (i.e. b): [x,y] = meshgrid(1:size...

Sample a 3D surface

If I understand correctly, you just want to generate some x,y values that match your z values (i.e. b): [x,y] = meshgrid(1:size...

presque 2 ans ago | 1

| accepted

Answered

vectorizing or speeding looped code

This should help, though I've already made assumptions about the sizes of arrays. How many rows/columns are in each variable? X...

vectorizing or speeding looped code

This should help, though I've already made assumptions about the sizes of arrays. How many rows/columns are in each variable? X...

presque 2 ans ago | 0

Answered

Efficiently calculating sum-thresholds across vector

You could do the following but with the caveat that it assumes samples are all positive values runningSum = cumsum(samples); i...

Efficiently calculating sum-thresholds across vector

You could do the following but with the caveat that it assumes samples are all positive values runningSum = cumsum(samples); i...

presque 2 ans ago | 0

| accepted

Answered

how to use an if statement to determine whether an index is out of bounds

If indices is outside of bounds, I want to display ''Error: index is out of bounds.' The conditional expression in your if bloc...

how to use an if statement to determine whether an index is out of bounds

If indices is outside of bounds, I want to display ''Error: index is out of bounds.' The conditional expression in your if bloc...

presque 2 ans ago | 0

Answered

How can I create different colors in the plotted chart for a lot of data

I'm coming at this from a slightly different angle. You can interactively highlight different lines by setting up a slider in th...

How can I create different colors in the plotted chart for a lot of data

I'm coming at this from a slightly different angle. You can interactively highlight different lines by setting up a slider in th...

presque 2 ans ago | 1

| accepted

Answered

how to get character from an array using another logical array?

A slight modification on your inputs: V = ['1b.%291x g'; 'yig&aaSgwa'; 'tqtbbs!?R!']; logicalVec = logical([ 1 0 1 0 1 0 1 ...

how to get character from an array using another logical array?

A slight modification on your inputs: V = ['1b.%291x g'; 'yig&aaSgwa'; 'tqtbbs!?R!']; logicalVec = logical([ 1 0 1 0 1 0 1 ...

presque 2 ans ago | 0

| accepted

Answered

How to find the most frequently repeated time interval?

First I read in data as a string array opts = detectImportOptions(filename,'TextType','string'); opts.SelectedVariableNames = ...

How to find the most frequently repeated time interval?

First I read in data as a string array opts = detectImportOptions(filename,'TextType','string'); opts.SelectedVariableNames = ...

presque 2 ans ago | 1

| accepted