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...

7 months 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...

7 months 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....

7 months 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...

7 months 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...

7 months ago | 0

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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...

7 months ago | 0

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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 ...

7 months 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; % ...

7 months 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...

7 months ago | 0

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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...

7 months ago | 1

Submitted

codesearch

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

8 months 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...

1 year 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...

1 year ago | 0

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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,:);

1 year 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...

1 year ago | 1

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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...

1 year 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...

1 year 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...

1 year ago | 0

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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...

1 year 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...

1 year 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 ...

1 year 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 = ...

1 year ago | 1

| accepted

Answered

How to find a corresponding matrix value

You can get the corresponding values in W as follows [mQ,idx] = max(Q,[],2,'linear') W(idx)

How to find a corresponding matrix value

You can get the corresponding values in W as follows [mQ,idx] = max(Q,[],2,'linear') W(idx)

1 year ago | 1

| accepted

Question

Issue with browser slowing down while using MATLAB answers

While writing/editing answers on the forum, I've been having issues where the tab in my google chrome browser that's in use beco...

1 year ago | 1 answer | 0

Answered

How to select different colors and legend for the bar plot??

For the first part of your question, you can do so as follows: x = rand(3,2); h = bar (x); h(1).FaceColor = 'red' h(2).FaceC...

How to select different colors and legend for the bar plot??

For the first part of your question, you can do so as follows: x = rand(3,2); h = bar (x); h(1).FaceColor = 'red' h(2).FaceC...

1 year ago | 1

| accepted

Answered

averaging the matrix and creating an averaged matrix

As far as I understand you want the average of each 5 rows by 10 columns hence the expected output size of 53x101. You can do th...

averaging the matrix and creating an averaged matrix

As far as I understand you want the average of each 5 rows by 10 columns hence the expected output size of 53x101. You can do th...

1 year ago | 0

Solved

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

1 year ago

Solved

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

1 year ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

1 year ago

Solved

Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

1 year ago