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How do I combine multiple plots separately on one figure?
The two options are subplot and stackedplot. I use subplot here — figure(1) R1 = 6; R2 = 2.5; R3 = 2; time = 0:0.01*pi:...

5 years ago | 1

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Answered
Convert from Coordinated UTC to datetime?
A different approach — format long g nr = 1.511092230713565e+05; dt = datetime(num2str(fix(nr)),'InputFormat','yyMMdd') + ti...

5 years ago | 0

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EEG Channel Data Filtering
The first step would seem to me to calculate the fft of the raw data to see what the frequency content is. Since neither the ...

5 years ago | 0

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Plot columns of data in discrete datapoints?
Try this — Z = [1 2 1; 2 2 1; 1 1 3]; Y = size(Z,2):-1:1; figure hold on for k = 1:numel(Y) X = Z(k,:...

5 years ago | 1

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How can I fix the "vectors must be same length" error?
The posted code doesn’t provide a lot to work with. If ‘T’ is a column vector, ‘t’ will be a scalar equal ot 0, and that could ...

5 years ago | 0

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Answered
How to switch to this graph? Mathematical question
Try this — x = [0 0.5 1]; a = [1 0.2 0.2]; b = [0 0.4 0.4]; c = [0 0.4 0.4]; figure patch([x flip(x)], [c zer...

5 years ago | 1

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Accelerometry design filter and outline
Consider decreasing ‘Fpass2’ and ‘Fstop2’ since they are obviously not filtering out the high-frequency noise. To design the ...

5 years ago | 0

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Fourier transform of symbolic function
Use the fourier function. I’m guessing as to what ‘wilberforce_y’ and ‘wilberforce_z’ are. syms t omega T syms y(t) z(t...

5 years ago | 0

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Answered
how to make a list of coordiantes (x, y, z)
It is not possible to use the original vectors because they have different lengths (1x10) and (1x20). That aside, drawing a ...

5 years ago | 0

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Generating a pulse signal
The posted code is an extremely cumbersome way of coding an extremely straightforward problem. The ‘fcn’ function here should...

5 years ago | 0

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Using an improper transfer function in simulink
See: How can I implement an improper transfer function (without delays) in Simulink? .

5 years ago | 0

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How to smoothen the curve in Matlab, preserving the original data points at a acceptable level?
I am not certain what the desired result is. It is straightforward to force a curve to have a zero intercept, although the code...

5 years ago | 0

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Plotting Kinetic Model Monod, Haldane Equation
I got it to run correctly, however I made no other changes (and there need to be other changes), leaving those for you. It is...

5 years ago | 0

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Answered
trying to plot a harmonic function, but i keep getting an fplot error.
Try this — syms x y u = x^2 - y^2; figure hold on for c = 2:2:20 result = solve(u == c); fplot(result) end ...

5 years ago | 0

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Answered
XData and YData from area chart
Add (cumsum) ‘Y’ row-wise to get the coordinates — t = 1:10; Y = randi(9, 10, 3) Ycoordinates = cumsum(Y,2) figure h =...

5 years ago | 1

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Answered
Is it possible to create a plot from a table?
Creating a plot from a table is straightforward, although the references are different — T1 = array2table(randi(99, 5,3), 'Var...

5 years ago | 0

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wrong output of parsing datestr
I do not see that there is a problem, other than not specifying that the input times are 12-hour, not 24-hour format. datevec...

5 years ago | 0

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Removing rows from array using indices
If ‘Rowidx’ is a logical array, that might not work as desired. If it is a numerical array, then if ‘A’ is any of the arrays ...

5 years ago | 1

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Answered
How can i get optimization or interpolation value for this 3-data?
I doubt that any interpolation is necessary. Juyst find (and if desired, plot) the minimum and associated values — x = [30 ...

5 years ago | 1

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FFT of sound wave frequency graph
I have no idea what the desired result actually is, even when I run the code and plot it. See if the envelope function will p...

5 years ago | 1

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Answered
How can I convert categorical variable to continuous variable in MATLAB?
I am not certain which are the categorical variables. The variable names can be referred to as elements of the cell array tha...

5 years ago | 0

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Saving vector result from each loop if solution is correct.
Use the exitflag output from fsolve to determine whether a solution was found. .

5 years ago | 0

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How to trim audio in Matlab to get the desired audio duration?
Express the desired length in thems of samples (here ‘Fs’ is the smapling frequency in Hz) — desiredLength = 17.5500; ...

5 years ago | 1

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How to make the color change in a graph more dramatic
Choosing a different colormap is the only option I am aware of. .

5 years ago | 0

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How to compute the magnitude and phase difference of an input and output signal in a single time-domain plot?
See if the alignsignals function will produce the relevant phase information (with respect to the index difference). Without ac...

5 years ago | 0

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i want to treat w as a constant
It ia necessary to include ‘w’ in the syms declaration, then it will be considered a constant unless it is declared as something...

5 years ago | 0

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how do i solve simultaneous equation by matrix?
I am not exactly certain how the ‘A’ matrix is created, however the mldivide,\ function and operator is likely the solution to f...

5 years ago | 0

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Solving complex coupled differential equations numerically with initial condition
Start with the Symbolic Math Toolbox ... syms A a(t) b(t) delta omega s T eqn1 = diff(a) == 1i*T/2 * (A*cos(omega*T*s)*a + de...

5 years ago | 0

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I have a system of ODE with several parameters. I would like to plot the curves as I vary the parameters,
Use a for loop. Example — tauv = [0.1, 0.4, 0.5, 0.8]; odefcn = @(t,x,tau) [-x(1)*tau; exp(-tau*x(2))]; tspan = 0:0.1:5;...

5 years ago | 0

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How to reduce angle values in a range between 0 and 360 deg?
I am not certain what the desired result is. Something like this came up once before, and since wrap2pi and wrap2360 are avai...

5 years ago | 1

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