Answered
Trying to create two arrays called z and y
First I would rename the variable i as ii so it’s not confused with the more general use of i = sqrt(-1). To save the variable, ...

10 months ago | 0

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Answered
How can I automatically select two points in a plot?
Select them as in producing data tips? If that's the case, then see the code below. If not, then please explain what you'd like ...

10 months ago | 0

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How to use 'CancelRequested' property for a progress bar?
fig = uifigure; dlg = uiprogressdlg(fig,'Title','Wait',... 'Message','Starting','Cancelable','on','CancelText','Stop this'...

10 months ago | 0

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Answered
How to use 'CancelRequested' property for a progress bar?
progressbar = waitbar(0,'Determining optimum slope','CreateCancelBtn','setappdata(gcbf,''Cancel'',1)'); wholeRandNum = 215; fo...

10 months ago | 0

Answered
forbid the switch of tab group in app designer while running a calculation
It doesn't look as if I can attach my mlapp file so I'll paste the relevant code here and let you put it together. When you hit ...

10 months ago | 1

Answered
How do I return callback value from GUI to workspace
Let’s say the variable you want to send to the workspace is called savethis in your GUI, and let’s say you want the variable in ...

10 months ago | 0

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Answered
Problem of measure unit conversion
https://www.mathworks.com/matlabcentral/fileexchange/4093-units-m?focused=5053365&tab=function This is what I use. You can ad...

10 months ago | 0

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Answered
How to delete a matrix using for loop and if condition?
clear clc MA1 = ones(3); MA2 = MA1*2; MA3 = MA1*3; MA4 = MA1*4; MA5 = MA1*5; MB...

10 months ago | 0

Answered
App Designer - ListBox Tooltip for too long entries not there any more in 2019b
How did you originally get the tooltip to specify only the line you're hovering on in 2018a? The only way I know is to use mouse...

10 months ago | 0

Answered
Solving an equation and using the answer for other equations
w = 8.37; L = 30; h = 6.5; theta = 12; N = L/2 + h/tand(theta); syms m eqn = m^2/(2*w) + m*(5*N/3 - L/3) + w*L^2/8; M = ...

10 months ago | 1

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Answered
Solve the following system of non-linear equations
syms x y z eqn1 = x*y*z - x^2 +y^2 - 1.34; eqn2 = x*y - z^2 - 0.09; eqn3 = exp(x) - exp(y) + z - 0.41; sol = vpasolve(eqn1,e...

10 months ago | 0

Answered
How to find the intersection points of a plot that contains multiple straight lines?
This currently only works for the three lines. There's a way to do it for multiple "spawns" but I didn't have time to look at th...

10 months ago | 0

Answered
Error running for loop
if true syms P l=100; a=50; b=20; h0=50; E=200; h1=50;%n=1.5; for n=1:0.02:4 I0=b*h0^3/12; I1=b*h1^3/12; L0=sqrt(P/(...

10 months ago | 0

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Answered
Plotting data from three dimensional array
It’s because your y array is 1x21 and your x is 1x100. Your dimensions don’t match. Make sure your y variable is correct.

10 months ago | 1

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Answered
Extracting data from array
%c is our array of data. column 1 is whether there was a crash, and column 2 is the reason c = {'Crash';'Crash';'Nothing';'Cras...

10 months ago | 0

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Answered
Calculating area under the curve for glucose responses over time
Looks like your trapezoidal integration is correct. I checked your Excel formula and didn't find anything wrong, and I did the f...

10 months ago | 0

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Interpolation between two surfaces with same grid
Try using the interp3 function.

10 months ago | 0

Answered
Hi, When you create a plot and hover over a data point WITHOUT pressing anything a datatip is displayed. How do I change the callback to display something else or do something else?
N = 30; yy = ceil(rand(N,1)*50); xx = 1:N; str = cell(1,N); for pp = 1:N str{pp} = sprintf('Sample %d',pp); end reer ...

10 months ago | 1

Answered
App designer - how to make a simple button preselected so mouse cursor is not needed?
You'll start by going to the Design View tab and then looking at the Component Browser where all your components are listed. Fro...

10 months ago | 1

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Answered
Saving output values from a function into an array (to plot later)
options = optimset('PlotFcns',@optimplotfval); scarysum = 0; for k = 1:30 syms t term = ((-1).^(k-1))./k .* sin(k.*pi.*rho) ...

10 months ago | 0

Answered
Reference to non-existent field 'D1t'.
PAR.Ac = (pi/4)*((PAR.D1t^2)-(PAR.D1h^2)); %Compressor area There's no information for your PAR.D1t and PAR.D1h. I guess these ...

10 months ago | 1

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Answered
How to name row in uitable.
uit = uitable(uifigure,'Data',rand(10,3),'ColumnEditable',[false true true]) rows = size(uit.Data,1); ss = strcat('BS',string(...

10 months ago | 0

Answered
How to show my output in regular time sequence at app designer?
t = 0.5; %time in seconds app.EditField1.Value = 4; %your value for the first edit field pause(t) app.EditField2.Value = 3; %...

10 months ago | 0