Answered
How can i restrict the cross cursor in ginput function into a specific UIAxes instead of it showing in the whole appdesigner figure?
You can do something using the undocumented overobj() but see https://www.mathworks.com/matlabcentral/answers/327043-change-the-...

2 years ago | 0

Answered
how to pass initial guess to ga(),this is my sample code and i want to initialize complex initial guess in the code please help
In order to pass in an initial guess, you need to create an options structure and set InitialPopulationMatrix specifies an ini...

2 years ago | 0

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Answered
getting the error "Conversion to logical from string is not possible" while using UI table
app.Channels = string(subsystem.ChannelNames); app.Channels will store channel names app.SelectedChannels = app.Channe...

2 years ago | 1

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Answered
I need help trying to code an mn by mn A matrix to be use to calculate temperature
if i >= 2 && i <= c-1 if j >= 2 && j <= d-1

2 years ago | 0

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Reference to non-existent field 'folder'.
In sufficiently old versions of MATLAB, there is no .folder field in the results of dir. I think .folder was added roughly R20...

2 years ago | 0

Answered
Incorrect rendering of legend in an error bar plot having both verticle and horizontal error bars.
You do not have 6 lines plus constant lines. You have lots and lots of errorbar() objects, some of which happen to have the sam...

2 years ago | 1

Answered
I am wanting to delete these entries of vector x when x = 0. How do I do this. Matlab gives me an error right now saying index cannot exceed 38 but I don't know what's wrong.
@Torsten's recommendation of x(x==0) = [] is the best. But alternately, for i = 56:-1:1 if x(i) == 0 x(i) = [] ...

2 years ago | 0

Answered
vectorization examples for efficiency
x = 0:1/99:1; zeros(size(x)); x+1 a=[x;x]; [2*x; x] repmat([1;1;0],1,10);

2 years ago | 0

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Answered
how to enter exponential multiplication with a time dependent array
You need to decide whether you are doing array indexing, or are creating a formula. t=0:0.06:3; fa(t)=10*exp(-5*t) is interpr...

2 years ago | 0

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Answered
Getting the error "Dimensions of arrays being concatenated are not consistent" but I can't tell why. (See my code in the body of this post)
(y(1))^2 + (y(2))^2 -2*y(2)+2 (y(3)^2) - 5 Inside [] that is interpreted as (y(1))^2 + (y(2))^2 -2*y(2)+2, (y(3)^2) - 5 You a...

2 years ago | 0

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Why does my code say incorrect number or types of inputs or outputs for function specifyCoefficients?
There is no 'Face' parameter for that call.

2 years ago | 0

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Index exceeds number of array elements
You accidentally created a variable named log or named exp

2 years ago | 0

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why iam getting error
The colon operator always has to be followed by a second parameter, except when it is being used as the sole index to an array. ...

2 years ago | 0

Answered
Error in matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)untitled('pushbutton1_Callback',hObject,eventdata,guidata(hObject)) Error while evaluating UIContr
The .fig file was saved containing a reference to pushbutton1_Callback but there is no pushbutton1_Callback defined in your ...

2 years ago | 0

Answered
Hello, I have an array of values in "In", I would like to extract the samples in "In" between the indices specified in "SIdx" and "EIdx". SIdx and EIdx are also arrays.
In = 1:100; SIdx = [1 9 33 76]; EIdx = [5 13 42 83]; Out = arrayfun(@(S,E) In(S:E), SIdx, EIdx, 'uniform', 0).'

2 years ago | 1

Answered
How does wblrnd generate random numbers?
Each time a random number is generated, the current seed changes to another seed, in a complicated but deterministic manner. rn...

2 years ago | 1

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Answered
Is there a way to refer to elements in Matlab App using variables?
for r = 1 : 3 for c = 1 : 3 app.Button(r,c).Text = app.images(app.grid(r,c),1); end end

2 years ago | 0

Answered
Installing real time kernel on RHEL 9 (RedHat Enterprise 9)
You are using RedHat 9.3, but currently it is restricted to RedHat 9.2 https://www.mathworks.com/help/sldrt/release-notes.html ...

2 years ago | 0

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Answered
Data types in TABLE
Excel itself recognizes: numbers (including dates) text logical error such as #VALUE! Excel is unable to distinguish betwee...

2 years ago | 0

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Answered
Creating symbolic function with array for argument
You cannot create symfun that expect non-scalars as parameters. symfun takes all of the provided parameters, horzcat()'s them ...

2 years ago | 0

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Answered
How to solve incosistent scientific format ?
Use strcmpi

2 years ago | 1

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Answered
How do I include an image labeler in my application?
Helper apps such as Image Labler cannot be compiled.

2 years ago | 0

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How can I change the colour of the axes?
ax.GridColor = 'k'; ax.GridAlpha = 1;

2 years ago | 1

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Error in fitlm function
% Load data df = readtable('input_file.csv','VariableNamingRule','preserve'); dependent_vars = {'act_y_ha', 'act_per_ha'};...

2 years ago | 0

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Answered
Inverse of a symmetric matrix consisting of submatrices is desired.
N = symmatrix('N', [12 12]); B1 = symmatrix('B1', [12,5]); C1 = symmatrix('C1', [2,5]); B2 = symmatrix('B2', [12,4]); C2 = sym...

2 years ago | 0

Answered
Error in reading variables in netcdf files
data_specific=netcdf.open(fullFileName); %... lat=data_specific{'latitude'}(:); data_specific will be an ncid (netcdf i...

2 years ago | 0

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Answered
I'm trying to get this plot to show me a function I can code in desmos, but is giving me the wrong plot in matlab. Any help would be appreciated
clc, close all, clear vars % Pieces of the function Q = 9.4*10^-6; % C q = 2.4*10^-5; % C e = 8.854*10^-12; % C^2/(Nm^2): pe...

2 years ago | 1

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Answered
Error using ^ when integrating a function
fun = @(r) (1+erf((-36.38+2.56.*log(5+((138.4-r)/4).*((26.964*2.71828.^(-0.0238*r)).^(4/3)))-5)/sqrt(2)).*r); Use vectorized op...

2 years ago | 3

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Answered
Not enough input arguments for ode45
[time, state_values] = ode45(@(t,Y, updated_state) DPIC(t, Y, updated_state), tspan, IC); ode45() only has two values available...

2 years ago | 0

Answered
i want to know if a image can be made with the magnitude data of an FMCW radar?
imagesc(X_data, Y_data, Magnitude_data) or just imagesc(Magnitude_data)

2 years ago | 1

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