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How to make an app that does not loose data when it's closed?
Do you want/need the UITable to contain the previous data, too? Or just add onto the saved data what is new in the user table e...

17 días hace | 0

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Respondida
Why does C{1}(1) work but C(1){1} results in an invalid array index error in MATLAB?
If you haven't yet, read <Access Data in Cell Array>. The reason is the cell contains an array; you must first dereference the ...

29 días hace | 1

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Respondida
How can I selectively multiplying the negative values with (-1) in an excel file?
data=readmatrix('yourExcelfile.xlsx'); isneg=(data(:,2)<0); data(isneg,2)=-data(isneg,2); "Use the Force, Luke!" Here "the F...

alrededor de 1 mes hace | 0

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Remove Rows/Columns from Binary Image Matrix
A(:, (columns I want to remove))=[]. will remove everything from the top of the array to the bottom -- if there is a "spot" any...

alrededor de 1 mes hace | 0

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Respondida
Matlab generate normal random sample with outliers
The funny thing about random sampling is that it is, well, random. You're resampling with replacement so it is possible to pick...

alrededor de 1 mes hace | 1

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how to make strips of different colors and sizes in a bar plot?
It's been a notable hole in MATLAB graphics from the beginning that there are no builtin hatching patterns available; I've raile...

alrededor de 1 mes hace | 1

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I want a table of values (frequency versus power) for a cpsd plot
Read the doc for cpsd, examples illustrate using the outputs for plotting of various types...specifically the forms of the type ...

alrededor de 1 mes hace | 0

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I wanted to apply the chi-squared function with the return of the p-value, but matlab's chi2cdf function only returns zero.
% Example data matrix (2000 rows and 9 columns) data_matrix = randi([0, 10], 2000, 9); % Replace this with your actual data ...

alrededor de 1 mes hace | 2

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Respondida
why does the figure doesnt show the two vectors?
%Links length L1=5; L2=1; L3=5; L4=7; AP=5; % ternary link angle (degree) delta=50; th2= 0:1.2:360; range_th2=300; RP=ze...

alrededor de 1 mes hace | 1

Respondida
What frustrates you about MATLAB? #2
>> tAdd.IP=7; To assign to or create a variable in a table, the number of rows must match the height of the table. >> No au...

alrededor de 1 mes hace | 0

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Upper limit on the number of UIAxes children allowed
Don't call plot3 (or friends) multiple times for such, update the data properties of the one having been called or use the anima...

alrededor de 1 mes hace | 0

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Change properties in gscatter, based on the group label
load carsmall subplot(1,2,1) gscatter(Displacement,Horsepower,Model_Year) % default appearance subplot(1,2,2) hGSC=gscatter...

alrededor de 1 mes hace | 1

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Respondida
How to change position of both ylabels in yyaxis left, within a subplot enrivonment?
hAx=subplot(3,2,1); yyaxis left plot(rand(10,1),'bx-') hLabL=ylabel('Yleft') yyaxis right plot(rand(10,1),'ro-') hLabR=yla...

alrededor de 1 mes hace | 1

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Pregunta

Retrieve Compiled App Project Info at Runtime
<This Question> asked about retrieving version from compiled app; TMW Staff answered on Windows only by getting the details of t...

alrededor de 1 mes hace | 1 respuesta | 0

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Respondida
How can I mark the central point in annotate box
I=imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1524096/image.png'); imshow(I) figure colormap gray ...

alrededor de 1 mes hace | 0

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Regression function NaN r values
A = importdata("Fundicion_gris.txt"); B = importdata("Acero_embuticion.txt"); sigma_mpa_embuticion = B.data(:, 1); epsilon_l_...

alrededor de 1 mes hace | 0

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Respondida
Error using matlab.internal.math.interp1, Sample points must be unique.
As the follow on comment above shows, you can safely ignore the duplicate points and retain the original function -- use [~,iu]...

alrededor de 2 meses hace | 0

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Streamlining of zeroing out last 2 bits of fixed 16 bit number?
I have no knowledge of how Fixed-Point Designer stores stuff, but can you not do something like x=bitand(x,0xFFFC) ?

alrededor de 2 meses hace | 1

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Is it possible to use gscatter in matlab app designer?
Works with R2021b; I do not know at what release the support for uiaxes was introduced; used to be able to get to the doc for ...

alrededor de 2 meses hace | 0

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Is "Undocumented Secrets of MATLAB Java Programming" by Yair Altman still up to date?
<Mathworks is abandoning Java>, going forward, <Java will be just another external language>. There's no incentive to go down t...

alrededor de 2 meses hace | 0

Respondida
Could someone please assist me? My code for the buck-boost converter controller isn't working properly when I run it.
<We already told you> this was going to be a problem but you didn't pay attention... if inputVoltage == 0.3 || inputVoltage == ...

alrededor de 2 meses hace | 0

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Respondida
How do I extract the audiodata from a struct that I got from dir(fullfile.....
"how do I get the audiodata from within the struct that is created by dir(..." See dir documentation; dir() doesn't return file...

alrededor de 2 meses hace | 2

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Respondida
extracting rows of data
% % Find the indices within the specified range % indices = (data(:, 1) >= minVoltage) & (data(:, 1) <= maxVoltage); % % Extra...

alrededor de 2 meses hace | 1

Respondida
How to iterate through a cell array and link elements in particle tracking?
I don't have time at the moment to attack in earnest, but I'd probably start by simplifying and instead of trying to make it all...

alrededor de 2 meses hace | 0

Respondida
Hello, if you have a moment, I could use your help in resolving this error.
inputVoltage=0.3; [q1, q2, q3, q4]=buckBoostControl(inputVoltage) function [q1, q2, q3, q4] = buckBoostControl(inputVoltage, ~...

alrededor de 2 meses hace | 1

Respondida
Error Exporting Table Using Parquetwrite (multidimensional array)
parquetwrite load gTruth for i=1:height(gTruth), gTruth.Apple(i)={gTruth.Apple{i}(:)};end parquetwrite('test.parq',gTruth) t...

alrededor de 2 meses hace | 0

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Respondida
how to fix this error ?
Well, you'll have to understand the role of the adjacency matrix in Algorithm 2 in the following paper: R. Shafipour, A. Khodab...

alrededor de 2 meses hace | 0

Respondida
Plot multiple columns of table with datetime
Use a @doc:timetable instead and then geth stackedplot for free that does it all for you. Use the target figure/panel to place ...

alrededor de 2 meses hace | 0

Respondida
HOW TO MAKE THE nan VALUE DISAPPEAR from my extraction, I also like someone to help me make a dynamic figure representing the evolution of the wind per day.
unzip('wind1.zip') d=dir('w*.nc'); info=ncinfo(d(1).name); info.Variables(:).Name t=ncread(d(1).name,'time'); Wind=ncread(d...

alrededor de 2 meses hace | 0

Respondida
How do I get ply file imports using App designer
% Button pushed function: Button function ButtonPushed(app, event) [f,d]=uigetfile('*.ply','Get PLY File'); ...

alrededor de 2 meses hace | 0

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