Answered
the Noisy Signal example on fft function have problems?
Sampling frequency is only part of it -- the example uses a fixed sampling frequency of 1 kHz which is 1000/50 --> 20X or 1000/...

3 years ago | 0

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Answered
plotting with Displayname in a for loop
Don't use images for code; paste the text and format with the "Code" section...nothing can do with an image but look at it... U...

3 years ago | 0

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Answered
Undefined function 'uifigure' for input arguments of type 'char'.
The function code works here although the controls are not spaced/sized such that they are all contained within the default uifg...

3 years ago | 0

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Import data from a bad format
The '%g' format has struck again -- that's what killed @Walter Roberson's approach. While not the most efficient, a simple way ...

3 years ago | 1

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Can't seem to create a new column with the right type
We don't have the input file and you neglected to tell us even what variable you couldn't covert so not much can be said about f...

3 years ago | 0

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how to select multiple time ranges in a timetable?
That's pretty remarkable, indeed -- wonder how it managed to fake the output? I thought first that just maybe the newest, onlin...

3 years ago | 0

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How to apply one colormap to multiple ocean colour subplots
This is not a MATLAB problem, per se, since you're using the <M_Map Application>. Only someone else with the package installed ...

3 years ago | 0

Answered
eliminate a letter after getting a matrix data from text file
I've given you the Answer for both of these earlier at the <Original Q? Thread> location and the followup discussion. Will clo...

3 years ago | 0

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Answered
Read text file after a specific text line but avoiding only the next line
fn='https://www.mathworks.com/matlabcentral/answers/uploaded_files/1376874/CISMID_SC_SCARQ_NEW_TOCHECH.txt'; data=readmatrix(fn...

3 years ago | 0

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Answered
How to place tick-labels on the axis, essentially replacing the ticks with the labels?
That's theorectically possible, but would be a pit(proverbial)a(ppendage) to accomplish; MATLAB HG2 has no provision to do any s...

3 years ago | 0

Question

Import Options Missing Variable Flexibility Between Missing Record and Variables
The import options object has the 'MissingValue' rule, but as far as I can tell it's an "all or none" affair, one either fills e...

3 years ago | 1 answer | 0

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Answered
Remove specific rows of matrix from memory not just delete them
Use MATLAB <logical addressing> and vectorized operations-- Hf=Hf(HF~=0); for the case you show that Hf is a vector. If it we...

3 years ago | 1

Answered
I have a set of data that I need to separate into unequal intervals in order to calculate the RMS value of these data (The data points are continuous over time)
For the solution for all torque levels without collapsing any, tq=readmatrix('Torque Data.xlsx'); d=[true; diff(tq(:,2)) ~= 0...

3 years ago | 0

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Answered
how to plot a bar graph using for loop?
%Read the data from positive test results %data.COVIDStatus(k)==1 %Include data which satisfies k condition for the appropriat...

3 years ago | 1

Answered
When creating an app, how do you plot points on top of a line on a UI axis?
% We will write the following code in the button push function, % since we want the push of this button to 1.) main_axes = ap...

3 years ago | 0

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How can I use a for loop to interpolate to a certain number of points, and remove NaNs?
Like @Rik, I don't understand the desire well enough to know precisely the result you're looking for, but to find the locations ...

3 years ago | 1

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A suitable method to detect outliers from a non-normally distributed dataset?
You made it notoriously difficult to do anything to help by not attaching the data in a usable form, but... fn='https://www.mat...

3 years ago | 1

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autocorr, xcov, xcorr, which one should I choose to calculate auto-correlation function? And what's the difference among them?
Doesn't really matter although from the doc, the autocorr function in the Econ TB uses the FFT to compute and then IFFT to retur...

3 years ago | 0

Answered
Labels in Stackedplot generated from Arrays
You mean something like hS=stackedplot([1:100]',randn(100,2)); hS.DisplayLabels={'Mag','Phase'}; hS.XLabel='Frequency';

3 years ago | 0

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Answered
Saving output in different rows with subsequent runs of my program.
See the 'append' value for the 'WriteMode' named parameter in <writetable>. Far more efficient would be to wrap your code as a ...

3 years ago | 0

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how to create legend from neighboring column in 3d plot
Why folks continue to beat head against wall with deprecated xlsread is beyond ken... fn='https://www.mathworks.com/matlabcentr...

3 years ago | 0

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Answered
Add commas between number columns from text file
Given the fixed format nature of these files, the best thing to do is probably to just build a specific fixed-width import optio...

3 years ago | 0

Answered
Add commas between number columns from text file
fn='https://www.mathworks.com/matlabcentral/answers/uploaded_files/1367139/ReactionsPortic5Combination4.txt'; opt=detectImportO...

3 years ago | 0

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Answered
How to create string of text-objects
Holding disparate data types would be a good place to use a table as alternative to the cell array... D = [randi(100,10,1),rand...

3 years ago | 1

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Answered
How do I save the output from a double for loop to a vector?
counter = 0; VectorOfValues=zeros(24,1); % preallocate for n = 0:23 for i = 1:height(Exceldata) if (duration(n,0,0...

3 years ago | 1

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Answered
Graphing an array by largest row to smallest row
output_array = {[1,2,3]+0; [1,2,3,4,5]+0.1; [1,2,3,4]+0.2}; [~,ix]=sort(cellfun(@numel,output_array),'descend'); ix=num2cel...

3 years ago | 0

Answered
How to sorting categorical array for plotting
function male=MakeMaleSample(n) male=categorical("M"+1:n,"M"+1:n); end To force a non-lexical sort order, you have to speci...

3 years ago | 1

Answered
Place filenames with common pattern in a cell array
C = {'breakpoint_b40_f15.txt', 'breakpoint_b50_f15.txt', 'breakpoint_b40_f20.txt', 'breakpoint_b50_f20.txt', 'breakpoint_b40_f25...

3 years ago | 0

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Answered
I am getting "Conversion to logical from table is not possible." error, how do you solve it?
... data1 = readtable('data1.csv'); data2 = readtable('data2.csv'); ... You read a csv file as a table; the two variables ar...

3 years ago | 1

Answered
Subdividing column matrix based on two stored indices of different lengths
A = [0.0048;-0.001;-0.0042;0.0047;-0.00011;0.0025;0;0;0;0;0.0023;0.0004]; order =[4;5;6;7;8;9;1;2;3;10;11;12]; pull = [7;8;9...

3 years ago | 0