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how to simulate air conditioning compressor using simulink ?
Here are a few points how to start on this exercise. (1) MATLAB/Simulink has a nice builtin simulation model example: https:/...

etwa 3 Jahre vor | 0

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plotting data from multiple sheets by ID and day
Here is the complete solution code: FName = 'RLC_AD.xlsx'; for jj=1:numel(sheetnames(FName)) RLCAD = readmatrix(FName, 'Sheet...

etwa 3 Jahre vor | 0

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Removing numerical data from txt file
Here is the solution: unzip('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1300600/CONTROLDS2247_SGI_PPCS_Bat...

etwa 3 Jahre vor | 0

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why is my plot blank?
It looks like that the whole imported data is not taken for x and y to plot them. See - e.g.: D = readtable('DATA_A.csv'); x =...

etwa 3 Jahre vor | 0

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How introduce column vector in M-file?
Here is the corrected code: D = 15; tmpI = eye(D); ket = sum(tmpI(:,2:D),2); syms n ct = 6; creation = circshift(diag(sqrt...

etwa 3 Jahre vor | 0

| akzeptiert

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Collection of Squares RGB Matrix
If understood correctly, here is one example: M = uint8(ones(10)); R = [255*M M M 255*M M; M 255*M M M 255*M; M M ...

etwa 3 Jahre vor | 0

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Finding Limits of Two variables
Here is a small example: syms x y f(x, y) f(x, y) = 2*x^2 + y^3; XLIM = limit(f(x,y), x, sqrt(Inf)) YLIM = limit(f(x,y), y, ...

etwa 3 Jahre vor | 0

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I don't know why I can't open a text file?
(1) Do you have your downloaded file (age.txt) in your MATLAB's current directory OR (2) Did you show the directory address wh...

etwa 3 Jahre vor | 0

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Find the unique arrays in a list of arrays
One of the viable fcns to use here is isequal(), e.g.: A = [0 1 1;1 1 1]; B = [1 1 1;0 0 1]; C = [0 1 1;1 1 1]; ALL{1} = A; ...

mehr als 3 Jahre vor | 0

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problem on saving within a folder of the figures I'm going to generate
Try exportgraphics() to save the image graphics

mehr als 3 Jahre vor | 0

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time-frequency analysis of multi-component chirp
Here are the frequency and the time-frequency analyses of the Chirp signal: Fs = 1000; L = 2000; T = 1/Fs; t = (0:L-1)*T; ...

mehr als 3 Jahre vor | 0

| akzeptiert

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How to improve a simple code so it takes and calculates several resistance values as shown in table?
Here is the completed code with the for .. end loop: t = linspace(0, 0.1, 1000); R = [1 100 300 560 1000]; R_L = 1E+5; c = 1...

mehr als 3 Jahre vor | 1

| akzeptiert

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if-else if inside the for loop
Here is how to do it in for .. end loop N = 1:24; for ii=1:length(N); if ismember(ii, [1,2,4,5,6,13,14,16,17,18]) ...

mehr als 3 Jahre vor | 0

| akzeptiert

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two x-axis plot
Here is a corrected code: x1 = [500 850 1200]; x2 = [0.1 0.2 0.3]; t = tiledlayout(1,1); ax1 = axes(t); hAx(1)=gca; hAx(...

mehr als 3 Jahre vor | 0

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remesh code for a 3D geometry
An alternative mesh fcn in MATLAB is ndgrid() - see this example: xx = linspace(-pi,pi, 20); [X,Y] = ndgrid(xx); Z = 2*X.*exp...

mehr als 3 Jahre vor | 0

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remesh code for a 3D geometry
It is worth testing these fcns for remeshing: griddata() griddatan() delaunayn()

mehr als 3 Jahre vor | 0

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how to use fft to plot the average values and their standard deviations in the frequency domain?
First of all, both signals need to be in one domain. If the freq domain is chosen then both need to be in the freq domain. In...

mehr als 3 Jahre vor | 0

| akzeptiert

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how to plot a signal in the time domain?
This issue is related to the order of the data series that can be solved using sort() fcn. See this example: x = [7 -1 3 ...

mehr als 3 Jahre vor | 0

| akzeptiert

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Figure legend mismatch when using gobjects
Try this syntax: figure; GObjects = gobjects(18,1); L = {"r bound","m bound","ns bound","r elong","m elong","free"}; color...

mehr als 3 Jahre vor | 0

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Using a column of cells as variable names in a table
Here is how to get this assignment done: T = readtable('Properties.xlsx'); T2 = table(T.Var2, 'RowNames',T.Var1) T2 = rows2va...

mehr als 3 Jahre vor | 2

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Removing numerical data from txt file
Here is one of the possible solutions for this exercise regexprep(): Text=readlines('Citation.txt') % Read data file with text...

mehr als 3 Jahre vor | 0

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using scope in Matlab Simulink to display when input's value changes
It is a very intersting exercise. There are a few different ways to get simulation results for different values of a as defined ...

mehr als 3 Jahre vor | 1

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fill in the area in plot
Use patch(). How far it is different from your previous post: https://www.mathworks.com/matlabcentral/answers/1914560-how-to-...

mehr als 3 Jahre vor | 0

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Time-frequency analysis using spectogram
There are a couple of inconsistencies (fs value was incorrect and not read from the signal27.mat) in the code. Here is the corre...

mehr als 3 Jahre vor | 0

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How to convert a uint8 image to complex double?
One of the dimensions can be removed using squeeze() fcn or taking averaged pixel values from R, G, B layers: D = imread('01.pn...

mehr als 3 Jahre vor | 0

| akzeptiert

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Accurate measurement of inverter and motor efficiency
One quick note is the equations and conversions. It looks like there is a "pi" magnitude problem in your calculations of power. ...

mehr als 3 Jahre vor | 0

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how to put date and time (exple 02-17-2023 06:05:34) on the x axis of a 3D plot
Use readtable while importing your data into matlab and plot - see this example: Data= readtable('DATA_Ts.csv', 'Format','%s%{d...

mehr als 3 Jahre vor | 1

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Chebyshev type 2 filter comparison on bode plot
Here is how it can be achieved - see the last figure. The fcn linkaxes() is needed. fc = 1000; fs = 8000; [b1,a1] = cheby2(1,...

mehr als 3 Jahre vor | 0

| akzeptiert

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how to modify a plot
This is how it can be attained: clear all W=45000; S=9; b=7.5; clmax=2; clmin=-1; nmax=4; AR=7; nmin=-3; clalpha = 2*p...

mehr als 3 Jahre vor | 1

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plot a graph from loop
One of the possible ways to plot nv vs, V is to include cl values that leads to 3D plot, e.g.: ... alpha = 1:0.25:12; nv=nmin...

mehr als 3 Jahre vor | 0