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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...
8 Tage vor | 0
| akzeptiert
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 ...
19 Tage vor | 1
| akzeptiert
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...
21 Tage vor | 0
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...
23 Tage vor | 0
| akzeptiert
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...
23 Tage vor | 1
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...
25 Tage vor | 1
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 ...
29 Tage vor | 0
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 ...
29 Tage vor | 2
| akzeptiert
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...
30 Tage vor | 1
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...
30 Tage vor | 0
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...
etwa ein Monat vor | 0
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...
etwa ein Monat vor | 1
| akzeptiert
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...
etwa ein Monat vor | 1
| akzeptiert
Frage
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...
etwa ein Monat vor | 1 Antwort | 0
1
AntwortHow 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 ...
etwa ein Monat vor | 0
Regression function NaN r values
A = importdata("Fundicion_gris.txt"); B = importdata("Acero_embuticion.txt"); sigma_mpa_embuticion = B.data(:, 1); epsilon_l_...
etwa ein Monat vor | 0
| akzeptiert
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]...
etwa ein Monat vor | 0
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) ?
etwa ein Monat vor | 1
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 ...
etwa ein Monat vor | 0
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...
etwa ein Monat vor | 0
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 == ...
etwa ein Monat vor | 0
| akzeptiert
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...
etwa ein Monat vor | 2
| akzeptiert
extracting rows of data
% % Find the indices within the specified range % indices = (data(:, 1) >= minVoltage) & (data(:, 1) <= maxVoltage); % % Extra...
etwa ein Monat vor | 1
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...
etwa ein Monat vor | 0
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, ~...
etwa ein Monat vor | 1
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...
etwa ein Monat vor | 0
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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...
etwa ein Monat vor | 0
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 ...
etwa ein Monat vor | 0
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...
etwa 2 Monate vor | 0
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'); ...
etwa 2 Monate vor | 0