Answered
How to write a diagonal rectangular matrix
You can use toeplitz function. % Smaller n, m here n = 10; m = 8; A = diag(21*ones(n,1)) + diag(-4*ones(n-1,1),-1)... ...

3 maanden ago | 0

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Answered
Bode plot of individual poles and zeros
z = 1000; p = [10 10 100]; k = 200; bode(zpk(z, p, k), 'k'); hold on for i=1:length(z) bode(zpk(z(i), [], 1/z(i)), ...

3 maanden ago | 0

Answered
How can I plot multiple signals in a single plot? Please give me suggestions which functions have used for this.
% Generate som data fs = 1000; t=(0:1/fs:1)'; f = 10:10:40; x = sin(2*pi*t*f); x = x + 0.1*randn(size(x)); n = size(x, 2)...

3 maanden ago | 0

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Answered
How to retrieve data from a Excel sheet saved at a particular location in pc?
You need to provide the extension name (.xlsx ?) to the file.

3 maanden ago | 0

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Answered
How do you output both variable values and names in a function?
You can consider to use struct which has field names. t = Epoch_calc(20231121) function t = Epoch_calc(recorded_date) %EPOCH_...

3 maanden ago | 0

Answered
I have an Excel sheet with headers of different depths and the numbers are not being read (ex.: d=-12.82m is being read as x_12_82M),
% The first row is treated as var names. Use preserve to keep the original % format a = readtable("https://www.mathworks.com/...

3 maanden ago | 1

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Answered
How do I form a matrix from an array of rows and columns
A=ones(10); a=[1 3 5 6 9]; b=[1 2 4 7 9]; A(sub2ind(size(A), a,b)) = 0; A

3 maanden ago | 1

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Answered
how to create shape on xy surface?
websave("variable.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1538662/variable.mat"); S = load('varia...

3 maanden ago | 0

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Answered
How to create a pulsing sound/use duty cycle
It seems that nSeconds should be 0.5s. Each pause should be also 0.5s. Thus it repeats 60 time in a min. Fs = 8000; %# S...

3 maanden ago | 0

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Answered
Need Help with FFT Analysis and Power Factor Calculation in MATLAB
Here is the work flow: 1.Read the CSV data in MATLAB with the "t" and "i(t)" column header as a table x = readtable("https:/...

3 maanden ago | 0

Answered
Can I access the code for my packaged app?
Perhaps the most straightforward way is to convert your m-code to pcode (doc pcode for more details). Compiling is another optio...

3 maanden ago | 1

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Answered
I would like to create an array to store a password, website combo.
Use string array instead of cell array for efficiency. You can also considre to use table. pa = ["abc", "def"] pa = addPasswo...

3 maanden ago | 0

Answered
call function with multiparameter:what is the best solution?
You could also use arguments block. doc arguments for more details. a)CaricoSistemi2Last_Struct(Settings) b)CaricoSistemi2Las...

3 maanden ago | 0

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Answered
Error using plot: Not Enough Input Arguments
Your data is not in right format. Here is one way to convert the string to number. % Experiment 4 % Computations and Generate...

3 maanden ago | 1

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Answered
How do I write several variables to a table with row labels?
% Your data MeanAmplitude = rand(); AmpError = rand(); MeanFrequency = rand(); FrequencyError = rand(); % Name can be an...

3 maanden ago | 1

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Answered
How to rotate a map?
It is upside down. Add the following: axis xy

4 maanden ago | 0

Answered
What is different between FFT and SHIFTFFT
First, it is not correct to say which is better unless you define what is "better". fft(x) has better resolution but higher si...

4 maanden ago | 0

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Answered
How to close only anova figures
How about collecting the desired figure handles in an array when creating the figures, such as h(i) = figure(...); At the en...

4 maanden ago | 0

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I want to view a formula as a mathematical expression and not a single line
For displaying the formatted formula, you can use "livescrip". Simply save your file as ".mlx" file and run it. syms a b c sy...

4 maanden ago | 1

Answered
How to add a single line to my plot??
Your specification is not clear and this is a guess. x = 2*rand(10, 1); y = 2*rand(10, 1); scatter(x, y) hold on dx = 0.1; ...

4 maanden ago | 1

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Answered
How to add legend in CIE diagram
plotChromaticity hold on x = rand(1,4); y=rand(1,4); name =["red", "blue", "green", "yellow"] for i=1:length(x) hs(i) ...

4 maanden ago | 1

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Answered
Scatter not showing full precision of data.
websave("data.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1514124/data.mat") load("data.mat") figure...

4 maanden ago | 0

Answered
Loop over combinations of elements of several vectors
You can use combinations. % arbitrary number of vectors with arbitrary size v{1}=rand(3,1); v{2}=rand(2,1); v{3}=rand(2,1); ...

4 maanden ago | 0

Answered
Use sky colormap in old Matlab version
Copy the following data: c = sky(256); for i=1:height(c) fprintf("%9.6f %9.6f %9.6f\n", c(i, :)) end

4 maanden ago | 1

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Answered
code correction : subplot in for + length problem
figure for N = [10,40,100] subplot(2,1,1); hold on [axe,formula] = passe_bas(N); % brackets above st...

4 maanden ago | 0

Answered
Export of table results in PDF
You can use livescript. Then you can hide the code and export to pdf. For example t=array2table(rand(3,2)); disp(t) Or you c...

4 maanden ago | 0

Answered
Unwanted contour lines generated by contour()
Yo5ur function curve has very abrupt change near the ege (see one vertical slice of data). Therefore you will see many contour ...

4 maanden ago | 0

Answered
Greetings! I'm looking for assistance in understanding what's causing the problem in my code.
y = determineMode(4, 5, 6, 1, 2) function y = determineMode(teg, pv, pzt, ~, D, ~, ~, ~, ~) % Inputs: % teg: Voltage ...

5 maanden ago | 0

Answered
Not enough inputs with input parser
F = @(x) x.^2.*sin(x)-0.2.*x.^3+3.*x.^2+x-4-0.005.*x.^4; nx = newtonsMethod(F,6.5) function x = newtonsMethod(func,guess,tol,d...

5 maanden ago | 0

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Answered
How can I add recession bars to a time series plot?
data = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1488862/example_data.xlsx'); y = data.var3; x=...

5 maanden ago | 1

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