How to delete a row from an array if a specified column has specified numbers?
A = round(10*rand(20,3)) for n = [5,6] A((A(:,2) == n),:) = []; end A

2 months ago | 0

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Matlab App Designer UIAxes 2d Plot
Without knowing what you are plotting, all I can recommend is changing to a 2D view. You can do so as shown below. Note, in App ...

2 months ago | 0

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How do I delete a callback function from an app in App Designer?
Does the callback text hightlight when you click it as shown below? Within App Designer, you can right click the callback und...

2 months ago | 0

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How can I create a 3D intensity map, or 3D scatter plot where colour represents intensity?
The dimensions of the matrix, M, is 3x3x3. I am going to assume the third dimension is your x, y, and z coordinates, where 1 is ...

2 months ago | 0

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How to generate correct sine wave
== correct == fs = 50; t = 0:1/fs:1-1/fs; x = sin(2*pi*2*t); plot(t,x) == non-correct fs = 50; t = 0:1/fs:1-1/fs; x...

2 months ago | 0

How to show an image of labels in colors and show the colorbar
img = round(10*rand(512)); label2rgb(img); imshow(img) colorbar colormap('jet') caxis([1 10]) %You can change the range for...

2 months ago | 2

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I want to drew a map based on longitude and latitude limits and i want the to see the countries borders

2 months ago | 0

What does it mean if at the end of the instruction “; ” ?
"hello world" "hello world";

2 months ago | 0

How can I solve this error "Array indices must be positive integers or logical values." and make a condition to fix it as index?
mindistD > maxrange^2 and mindistD<maxrangeD2 gave no results. Is it suppose to be mindistD < maxrange^2 and mindistD>maxrangeD...

2 months ago | 0

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How can I move the result of the 'why' function into the editor window and store it into a variable?
You could edit the function to provide an output. open why change function why(n) to function a = why2(n) You can save thi...

2 months ago | 0

How to overlap several maps?
You could edit the colormap to make the land white. figure image colorbar colormap turbo figure(2) image colorbar cmap...

2 months ago | 0

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Create Matrix from Multiple Matrices
A = [1 2 3]; B = [4 5 6]; C = [7 8 9]; D = []; for i = A for ii = B for iii = C D = [D;i ii...

2 months ago | 0

Plot velocity over distance(plot over line) from the attached csv file?
I'm not quite sure what you are looking for, so here are some techniques: Load Data as table [filename, folder] = uigetfile(...

2 months ago | 1

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How to set front and back lines on plot with yyaxis left and right
That is interesting. While I try and figure out if there is a solution to this, you can fake it til you make it with this: x = ...

3 months ago | 0

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Projecting a plot onto a second monitor through an App made in the App Designer.
Yes. There are multiple ways of doing this with App Designer. Below are two approaches. You can write a callback function that ...

3 months ago | 0

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Vectorising Multiplying each column from a matrix with a square matrix and the tranpose of this column
Can you do the following? h = rand(2790,3591); Pn = rand(2790,2790); size(h'*Pn*h)

3 months ago | 1

Attached are the plots of a i get from a csv file imported to MATLAB. I want to declutter the plot (remove the noise captured by measuring instrument) zoom on in the data.
open('untitled2.fig') xlim([-0.5 2.5]) % changed domain min and max to zoom in. h=gca; % obtained handle of the current axes ...

3 months ago | 1

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How do I make an app on appdesigner that when a button is pressed and the current time is later than an indicated time
You could create a pushbutton with the following callback: % Button pushed function: Button function ButtonP...

3 months ago | 0

How to make Slider in APP Designer to move automatically with the output value we calculated?
Yes, you could make two Edit Field (Numeric) components, one for A and the other representing B. You can add the following call...

3 months ago | 0

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how to convert a 3D array into a n 2D arrays
A=rand(20,1000,30); for i = 1:20 B{i} = squeeze(A(i,:,:)); end B

3 months ago | 0

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Error with parsing data from one window to another in app designer
I like to keep things simple and just read from main app. Main app (Analyzer): properties (Access = private) fr...

3 months ago | 0

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X,Y cordinates in a Matrix
A = [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

3 months ago | 1

Create Text Box in PowerPoint file

3 months ago | 0

Ploting (x,z) and (y,z) data on same plot
I'm not sure what you mean by the x and y measurements being separated by 1 meter. Below is a guess at want you want. Please cla...

3 months ago | 0

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How can I rotate a matrix 45 degrees?
C = [-6 -6 -7 0 7 6 6 -3 -3 0 0 -6; -7 2 1 8 1 2 -7 -7 -2 -2 -7 -7]; p = plot(C(1,:),C(2,:)); xlim([-10 10]); ylim([-10 10]);...

3 months ago | 0

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Is there a way to store x,y coordinates from the brush tool in app designer in an app designer edit field (2021b)?
Try the following to recieve the x and y coordinates. index = app.UIAxes.Children.BrushData; xcoord = app.UIAxes.Children.XDat...

3 months ago | 0

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App Designer - How do I pass a structure or array from one app to another?
The link below demostrates how to communicate between apps when using app designer. https://www.mathworks.com/help/matlab/creat...

3 months ago | 0

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Delete internal faces from 3D plot
You could manually remove the faces as such: Coords = [ 0 2 0 0 2 1 0 3 0 0 3 1 ...

4 months ago | 0

use of parentheses confusion
In the first line, 10 is added to the 1 so you end up with 11:15 %This creates an array starting from 11 and ending at 15 at i...

4 months ago | 2

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