Answered

How can I correct the wrong size of a variable (matrix instead of a vector)?

This line here creates a matrix. When one numerical value (n) is entered into the zeros function, it creates a n by n matrix. m...

How can I correct the wrong size of a variable (matrix instead of a vector)?

This line here creates a matrix. When one numerical value (n) is entered into the zeros function, it creates a n by n matrix. m...

2 months ago | 1

| accepted

Answered

How to show that calculation is going in MATLAB App

You can create a status text in the App Designer by dragging "Label" onto your app in Design View. You can edit the font, alignm...

How to show that calculation is going in MATLAB App

You can create a status text in the App Designer by dragging "Label" onto your app in Design View. You can edit the font, alignm...

2 months ago | 0

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Answered

Flip a matrix from 31 x 1000 to 1000 x 31 and retain same order of elements

You can tranpose the matrix with a ' matrix = rand(3,10) matrix_transposed = matrix'

Flip a matrix from 31 x 1000 to 1000 x 31 and retain same order of elements

You can tranpose the matrix with a ' matrix = rand(3,10) matrix_transposed = matrix'

2 months ago | 1

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Answered

How do I change color diffusion in jet colormap?

%% Example data x = (2:-0.1:0); data = sin(x); %% Shift the values towards the center, so you get a circle instead of an an...

How do I change color diffusion in jet colormap?

%% Example data x = (2:-0.1:0); data = sin(x); %% Shift the values towards the center, so you get a circle instead of an an...

2 months ago | 1

| accepted

Answered

I want to change the name of elements in a variable

You can save a string array with those names as such: Countries = ["UK";"Canada"; "France";"Italy";"Japan";"United States"]...

I want to change the name of elements in a variable

You can save a string array with those names as such: Countries = ["UK";"Canada"; "France";"Italy";"Japan";"United States"]...

2 months ago | 0

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Answered

Select particular 3D volumes of a 4D matrix

matrix_4D = matrix_4D(:,:,:,[1:11 14:29]);

Select particular 3D volumes of a 4D matrix

matrix_4D = matrix_4D(:,:,:,[1:11 14:29]);

2 months ago | 1

Answered

How do I find means of samples and then mean of the means?

Although it sounds like a homework question, I'll answer it since it is basic. random = randi(1000000,1000,25); mean_row = mea...

How do I find means of samples and then mean of the means?

Although it sounds like a homework question, I'll answer it since it is basic. random = randi(1000000,1000,25); mean_row = mea...

2 months ago | 0

Answered

How can I create a data table and export it as an excel file?

Hey bobby! Glad to see you again! Here you are: datadirectory = '/Users/name/Desktop/data/'; import = dir(fullfile(datadir...

How can I create a data table and export it as an excel file?

Hey bobby! Glad to see you again! Here you are: datadirectory = '/Users/name/Desktop/data/'; import = dir(fullfile(datadir...

2 months ago | 1

| accepted

Answered

Adding labels to fsurf contour lines

You can add text by entering the following: text(0,30,160,'Text Label','Fontsize',12) where 0, 30, and 160 are the x, y, and...

Adding labels to fsurf contour lines

You can add text by entering the following: text(0,30,160,'Text Label','Fontsize',12) where 0, 30, and 160 are the x, y, and...

2 months ago | 0

Answered

How to assign xlabel,ylabel from my selected popup menu list?

If App Designer: value = app.DropDown.Value; value2 = app.DropDown2.Value; value2 = app.DropDown2.Value; if value == 'Opti...

How to assign xlabel,ylabel from my selected popup menu list?

If App Designer: value = app.DropDown.Value; value2 = app.DropDown2.Value; value2 = app.DropDown2.Value; if value == 'Opti...

2 months ago | 0

Answered

How to find the intersection of a fitting line with a logarithmic y-axis?

A= [10 40 60 80]; B = [5 6 7 8]; scatter(B,A,20,'filled') set(gca,'YScale','log') % Polyfit p = polyfit(B,A,2);% 2nd or...

How to find the intersection of a fitting line with a logarithmic y-axis?

A= [10 40 60 80]; B = [5 6 7 8]; scatter(B,A,20,'filled') set(gca,'YScale','log') % Polyfit p = polyfit(B,A,2);% 2nd or...

2 months ago | 0

Answered

how to find peaks for 100%,75%,50%,25% of the max peak

I'm not entirely sure what peaks you are trying to identify. Below are techniques you can use. You can add labels to your pea...

how to find peaks for 100%,75%,50%,25% of the max peak

I'm not entirely sure what peaks you are trying to identify. Below are techniques you can use. You can add labels to your pea...

2 months ago | 0

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Answered

How do I obtain a 2D or 3D representation of a georeferenced raster?

You can use the surf function. Below are links to some examples: https://www.mathworks.com/matlabcentral/answers/598591-how-to-...

How do I obtain a 2D or 3D representation of a georeferenced raster?

You can use the surf function. Below are links to some examples: https://www.mathworks.com/matlabcentral/answers/598591-how-to-...

2 months ago | 1

| accepted

Answered

How to plot entire row of numerical matrix from corresponding logical array?

Drill = [ 0.2324 0.0010 -0.2805 0.2324 0.0005 -0.2805 0.2322 0 -0.2800 0.2324 0 -0....

How to plot entire row of numerical matrix from corresponding logical array?

Drill = [ 0.2324 0.0010 -0.2805 0.2324 0.0005 -0.2805 0.2322 0 -0.2800 0.2324 0 -0....

2 months ago | 0

| accepted

Answered

How to get the smallest value in submatrices

cellfun(@min,B,'UniformOutput',false) %or cellfun(@min,cellfun(@min,B,'UniformOutput',false),'UniformOutput',f...

How to get the smallest value in submatrices

cellfun(@min,B,'UniformOutput',false) %or cellfun(@min,cellfun(@min,B,'UniformOutput',false),'UniformOutput',f...

2 months ago | 0

Answered

How to plot coordinate data to appear solid with lighting effect?

There may be a better way doing it. Here is my attempt: x1 = 0; x2 = 0; y1 = -.8; % value based on angle of 25 degrees y2 = ...

How to plot coordinate data to appear solid with lighting effect?

There may be a better way doing it. Here is my attempt: x1 = 0; x2 = 0; y1 = -.8; % value based on angle of 25 degrees y2 = ...

2 months ago | 0

Answered

How do I display the workspace variable file name via MATLAB script?

"And yes, each .mat file in the loop would save the matrix under the variable name "IntensityImagedataCh1". Would that impact ...

How do I display the workspace variable file name via MATLAB script?

"And yes, each .mat file in the loop would save the matrix under the variable name "IntensityImagedataCh1". Would that impact ...

2 months ago | 1

| accepted

Answered

Find corresponding values in different arrays

To be clear, you want to replace the sixth row of read{1,2} with the first row of T? If so, here it is for the specific examp...

Find corresponding values in different arrays

To be clear, you want to replace the sixth row of read{1,2} with the first row of T? If so, here it is for the specific examp...

2 months ago | 0

| accepted

Answered

Mean and median at each interval

Data = importfile('Data.xls') % Histogram figure histogram(Data.Temp,[floor(min(Data.Temp)):1:ceil(max(Data.Temp))]); xlab...

Mean and median at each interval

Data = importfile('Data.xls') % Histogram figure histogram(Data.Temp,[floor(min(Data.Temp)):1:ceil(max(Data.Temp))]); xlab...

2 months ago | 0

Answered

Bubbleplot in multiple dimensions

Have you looked into using bubblechart3? https://www.mathworks.com/help/matlab/ref/bubblechart3.html

Bubbleplot in multiple dimensions

Have you looked into using bubblechart3? https://www.mathworks.com/help/matlab/ref/bubblechart3.html

2 months ago | 0

Answered

How to activate bubble chart

bubblechart was introduced in R2020b. What version of MATLAB do you have? https://www.mathworks.com/help/matlab/ref/bubblecha...

How to activate bubble chart

bubblechart was introduced in R2020b. What version of MATLAB do you have? https://www.mathworks.com/help/matlab/ref/bubblecha...

2 months ago | 0

Answered

Plot and color curves depending on the condition

I am unsure what you mean by "he sum of 3d row as y-axis(2.4443, 2.4443, 2.4443 in the example)." For now I am plotting the 5th...

Plot and color curves depending on the condition

I am unsure what you mean by "he sum of 3d row as y-axis(2.4443, 2.4443, 2.4443 in the example)." For now I am plotting the 5th...

2 months ago | 1

| accepted

Answered

For loop including zeros in beggining

You don't need to create a for loop. You can simply do this: newY = y(y~=0); newX = x(y~=0);

For loop including zeros in beggining

You don't need to create a for loop. You can simply do this: newY = y(y~=0); newX = x(y~=0);

2 months ago | 0

| accepted

Answered

How would I add a log scale (i.e 10^-1) as an x axis label to this polar plot?

h = gca; h.RAxis.Scale = 'log' "The coordinate system or ruler class does not support log axis scale." I found a workaround...

How would I add a log scale (i.e 10^-1) as an x axis label to this polar plot?

h = gca; h.RAxis.Scale = 'log' "The coordinate system or ruler class does not support log axis scale." I found a workaround...

2 months ago | 0

Answered

file or directory ~ does not exist?

I believe the dataset needs to be entered as 'subject01.ds'?

file or directory ~ does not exist?

I believe the dataset needs to be entered as 'subject01.ds'?

2 months ago | 0

Answered

How can I plot a histogram for each of the multiple .mat files located in a folder outside of MATLAB?

Here is one method you can use: directory = '/Users/NAME/Desktop/selectedmatricies/'; %Alternatively, could use: directory = ui...

How can I plot a histogram for each of the multiple .mat files located in a folder outside of MATLAB?

Here is one method you can use: directory = '/Users/NAME/Desktop/selectedmatricies/'; %Alternatively, could use: directory = ui...

2 months ago | 2

| accepted

Answered

Hey all newbie to matlab, was wondering what I can do to fix the "for loop" code I have below, I am getting the "array indices must be positive integers." Thanks in advance!

clear; counter = 0; y=[]; for t = -15:0.2:15; y = [y; counter]; counter = ((t^4)-(3*t^2)+(2*t)-1); end The indi...

Hey all newbie to matlab, was wondering what I can do to fix the "for loop" code I have below, I am getting the "array indices must be positive integers." Thanks in advance!

clear; counter = 0; y=[]; for t = -15:0.2:15; y = [y; counter]; counter = ((t^4)-(3*t^2)+(2*t)-1); end The indi...

2 months ago | 0

Answered

Setting focus in AppDesigner

I found this question here: https://www.mathworks.com/matlabcentral/answers/353504-give-focus-to-an-edit-field

Setting focus in AppDesigner

I found this question here: https://www.mathworks.com/matlabcentral/answers/353504-give-focus-to-an-edit-field

2 months ago | 0

Answered

How can I create a scatterplot and map the outputs to a logarithmic colorscale?

You can change the colorbar's scale to logarithmic with the following command: set(gca,'ColorScale','log') Here is it altoge...

How can I create a scatterplot and map the outputs to a logarithmic colorscale?

You can change the colorbar's scale to logarithmic with the following command: set(gca,'ColorScale','log') Here is it altoge...

2 months ago | 1

| accepted