Answered

remove grid lines completely

After opening the figure, you can type the following assuming there is only one axes on the figure: grid off or grid(gca,'off...

remove grid lines completely

After opening the figure, you can type the following assuming there is only one axes on the figure: grid off or grid(gca,'off...

4 months ago | 0

Answered

Image Region filter how to only get mask for one area?

I would check Exclude Border If you click the dropdown box under Export>Export Function function [BW_out,properties] = fil...

Image Region filter how to only get mask for one area?

I would check Exclude Border If you click the dropdown box under Export>Export Function function [BW_out,properties] = fil...

4 months ago | 0

Answered

Not a map axes. How to plot quiver and geobasemap in one figure?

geoplot([44.392186 44.393524],[8.930812 8.931615],'w:') geolimits([44.390 44.396],[8.928 8.934]) geobasemap satellite load('F...

Not a map axes. How to plot quiver and geobasemap in one figure?

geoplot([44.392186 44.393524],[8.930812 8.931615],'w:') geolimits([44.390 44.396],[8.928 8.934]) geobasemap satellite load('F...

4 months ago | 0

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Answered

how to grab text from figure's suptitle and subplot titles

subplot(2,2,1) plot(1:10,rand(1,10)) title('pick me'); subplot(2,2,2) plot(1:10,rand(1,10)) title('not me'); subplot(2,2...

how to grab text from figure's suptitle and subplot titles

subplot(2,2,1) plot(1:10,rand(1,10)) title('pick me'); subplot(2,2,2) plot(1:10,rand(1,10)) title('not me'); subplot(2,2...

4 months ago | 1

Answered

Help making my code more efficient

Below I created a nested loop as requested. If the comments do not provide enough guidance, please let me know. x = 2590; fo...

Help making my code more efficient

Below I created a nested loop as requested. If the comments do not provide enough guidance, please let me know. x = 2590; fo...

4 months ago | 0

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Answered

Need help with looping data files in

HeaderRowCount = 7; trials = 3; idx = setdiff(0:10:150,[30:10:40 60:10:90 130:10:140]); for i = 1:length(idx) for R ...

Need help with looping data files in

HeaderRowCount = 7; trials = 3; idx = setdiff(0:10:150,[30:10:40 60:10:90 130:10:140]); for i = 1:length(idx) for R ...

4 months ago | 0

Answered

How to change one pixel only in plain image?

I = imread('peppers.png'); imshow(I) size(I) I(45,45,1) = 255; % red I(45,45,2) = 255; % green I(45,45,3) = 255; % blue...

How to change one pixel only in plain image?

I = imread('peppers.png'); imshow(I) size(I) I(45,45,1) = 255; % red I(45,45,2) = 255; % green I(45,45,3) = 255; % blue...

4 months ago | 0

Answered

Import data from text file

I used the import data button on the toolstrip to import the text file. Then I generated the function below. DataChan1 = import...

Import data from text file

I used the import data button on the toolstrip to import the text file. Then I generated the function below. DataChan1 = import...

4 months ago | 1

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Answered

Matlab App Designer Clickable Image only clickable once

I would use strcmp to compare image source just in case there is an error with the character arrays being different sizes (e.g. ...

Matlab App Designer Clickable Image only clickable once

I would use strcmp to compare image source just in case there is an error with the character arrays being different sizes (e.g. ...

5 months ago | 0

Answered

Can you code A 3D Building in MATLAB?

This is the approach I would take. %preallocate m = zeros(100,100,100); m(1,21:80,21:80) = ones(60); angle = 0.25:0.25:360...

Can you code A 3D Building in MATLAB?

This is the approach I would take. %preallocate m = zeros(100,100,100); m(1,21:80,21:80) = ones(60); angle = 0.25:0.25:360...

5 months ago | 0

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Answered

Trying to index an array and extract its values with a for loop.

Below are two possible ways. If data is in table, t=table; t.column1 = [1 2 3 4 0 3 4 2 3 4 0 3 1]'; t.column2 = [8 7 9 0 ...

Trying to index an array and extract its values with a for loop.

Below are two possible ways. If data is in table, t=table; t.column1 = [1 2 3 4 0 3 4 2 3 4 0 3 1]'; t.column2 = [8 7 9 0 ...

5 months ago | 0

Answered

How do you plot a set of 2D images diagonally?

Is this what you are looking for? x = 1:14;%rand(1,14); z = 1:14;%rand(1,14); y = 1:14;%rand(1,14); y1 = 7; imgset = ra...

How do you plot a set of 2D images diagonally?

Is this what you are looking for? x = 1:14;%rand(1,14); z = 1:14;%rand(1,14); y = 1:14;%rand(1,14); y1 = 7; imgset = ra...

5 months ago | 0

Answered

Error Using cellfun for a Matrix

a = rand(81,81); n = 3*ones(1,27); a_d = mat2cell(a,n,n); for i = 1:27 for j = 1:27 G_x = @(x) sum((x-a_d{i,j})./(x+a_d...

Error Using cellfun for a Matrix

a = rand(81,81); n = 3*ones(1,27); a_d = mat2cell(a,n,n); for i = 1:27 for j = 1:27 G_x = @(x) sum((x-a_d{i,j})./(x+a_d...

5 months ago | 1

Answered

Fit ellipse to objects in image

I would suggest using regionprops. Steve Eddins walks through the process on his blog. https://blogs.mathworks.com/steve/2015/0...

Fit ellipse to objects in image

I would suggest using regionprops. Steve Eddins walks through the process on his blog. https://blogs.mathworks.com/steve/2015/0...

5 months ago | 2

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Answered

Different outputs when using { : }

When you used the braces the way you did, it turned the string array into a character array. I would look at the following: ...

Different outputs when using { : }

When you used the braces the way you did, it turned the string array into a character array. I would look at the following: ...

5 months ago | 0

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Answered

Adding and display in AppDesigner GUI

How do you want the text to be displayed? If you want it to display 'x2 value, 1', you can do the following: function Button_5...

Adding and display in AppDesigner GUI

How do you want the text to be displayed? If you want it to display 'x2 value, 1', you can do the following: function Button_5...

5 months ago | 1

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Answered

Vectors must be same lenght

AB=200; BC=480; CD=480; DQ=450; AQ=480; FB=100; DE=600; AF=300; ED=600; DC=CD; x=AQ; y=DQ; a2=CD; a3=BC; a4=AB; ...

Vectors must be same lenght

AB=200; BC=480; CD=480; DQ=450; AQ=480; FB=100; DE=600; AF=300; ED=600; DC=CD; x=AQ; y=DQ; a2=CD; a3=BC; a4=AB; ...

5 months ago | 0

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Answered

saving files in .mat in another folder

I am going to assume that you are reading image files and then trying to save them in another folder as mat files. %Select fold...

saving files in .mat in another folder

I am going to assume that you are reading image files and then trying to save them in another folder as mat files. %Select fold...

5 months ago | 0

Answered

How to create a big 3D matrix from different blocks with the same volume?

n1=100; % dimension of main matrix n2=16; % dimension of blocks m=zeros(n1,n1,n1); %Null matrix of dimension 100x100x100 m1=o...

How to create a big 3D matrix from different blocks with the same volume?

n1=100; % dimension of main matrix n2=16; % dimension of blocks m=zeros(n1,n1,n1); %Null matrix of dimension 100x100x100 m1=o...

5 months ago | 0

Answered

How to find out standard deviation of a matrix when there is a lot of NaN values?

You can ignore NaN values with the std function by adding 'omitnan' as an input. A = rand(9,9); A(3,4) = NaN; A(7,8) = NaN;...

How to find out standard deviation of a matrix when there is a lot of NaN values?

You can ignore NaN values with the std function by adding 'omitnan' as an input. A = rand(9,9); A(3,4) = NaN; A(7,8) = NaN;...

6 months ago | 2

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Answered

How to register and average images together from a mat file

Here is some informaiton on image registration: https://www.mathworks.com/discovery/image-registration.html https://www.ma...

How to register and average images together from a mat file

Here is some informaiton on image registration: https://www.mathworks.com/discovery/image-registration.html https://www.ma...

6 months ago | 2

Answered

Matlab plot not lining up correctly with x-axis

You need to change the number of ticks along the x axis. %Plotting% Months_x={'Jan'; 'Feb'; 'Mar'; 'Apr'; 'May'; 'Jun'; 'Jul';...

Matlab plot not lining up correctly with x-axis

You need to change the number of ticks along the x axis. %Plotting% Months_x={'Jan'; 'Feb'; 'Mar'; 'Apr'; 'May'; 'Jun'; 'Jul';...

6 months ago | 1

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Answered

How do I rotate the view of a cylinder created using surf plot?

Here is another method, if you want to rotate the surf plot. figure [x,y,z] = cylinder(2,20); obj = surf(x,y,80*z); xlim([-1...

How do I rotate the view of a cylinder created using surf plot?

Here is another method, if you want to rotate the surf plot. figure [x,y,z] = cylinder(2,20); obj = surf(x,y,80*z); xlim([-1...

6 months ago | 0

Answered

Each data point plots as individual points not as one set of many points

obj = VideoReader('VidName.avi') %same name as file you create in step 1 video = read(obj); for i=1:150 %number of frames of t...

Each data point plots as individual points not as one set of many points

obj = VideoReader('VidName.avi') %same name as file you create in step 1 video = read(obj); for i=1:150 %number of frames of t...

6 months ago | 1

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Answered

Create an array containing numeric and symbolic variables

syms t1 t2 d; DH = {0 0.4 0 t1 %i = 1 0 0.1 -90 t2 %i = 2 0 d 90 0} %i = 3 isnumeric(DH{1,1}) isnumeri...

Create an array containing numeric and symbolic variables

syms t1 t2 d; DH = {0 0.4 0 t1 %i = 1 0 0.1 -90 t2 %i = 2 0 d 90 0} %i = 3 isnumeric(DH{1,1}) isnumeri...

6 months ago | 0

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Answered

Matlab code wont run. Matrix dimensions must agree error

I did not come across that issue when I defined omega as omega = (pi*beta/T)*cos((2*t - T)*pi/(2*T)); before running that line. ...

Matlab code wont run. Matrix dimensions must agree error

I did not come across that issue when I defined omega as omega = (pi*beta/T)*cos((2*t - T)*pi/(2*T)); before running that line. ...

6 months ago | 0

Answered

i want to delete cells that contain 0's

Assuming the values in cell array are numeric: cellarray = {34 , 23, 4, 123, 0 ,423, 4312;34 , 23, 4, 123, 5 ,423, 4312;34 , 0,...

i want to delete cells that contain 0's

Assuming the values in cell array are numeric: cellarray = {34 , 23, 4, 123, 0 ,423, 4312;34 , 23, 4, 123, 5 ,423, 4312;34 , 0,...

6 months ago | 0

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Answered

How can I plot scatterplot in the UIAxes of App Designer

App Designer uses uifigure. I found a way to move the scatterplot from the scatterplot figure to the uifigure. handle = uifigur...

How can I plot scatterplot in the UIAxes of App Designer

App Designer uses uifigure. I found a way to move the scatterplot from the scatterplot figure to the uifigure. handle = uifigur...

7 months ago | 0

Answered

For Loop and if statement

m = [9 6 7 1 7 8 6 2 9 1 2 1 5 7 8 3 8 5 1 2]; a=[]; ...

For Loop and if statement

m = [9 6 7 1 7 8 6 2 9 1 2 1 5 7 8 3 8 5 1 2]; a=[]; ...

7 months ago | 0