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How to add a horizontal line in a plot that corresponds to a maximum?
Hi @Irfanudin Nor Anwar No worries, I take your samples. Generally, you need to guess the function of a curve that might fit in...

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Solving System of ODEs using MATLAB
Hi Teo, Do something like this: odefcn = @(t, y) [y(2);... 0.1*sin(t) - 10*y(1) - 2*sqrt(10)*y(2)]; tspan = ...

대략 4년 전 | 0

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HVAC FOR HOUSE USING PID CONTROLLERS
@nikhil murali sathyavathi You can follow a very detailed example of modeling and control here https://www.mathworks.com/help/...

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solve 2nd order non linear equation of motion
Hi @Martin Lindner As far as the technical issue is concerned, the MATLAB code is fixed and able to produce the Equations of Mo...

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Transfer function of current block in 2RC ECM model
@Vishnubharathi thirupathi Since it is a RC circuit, can you write up some equations using Kirchhoff's circuit laws? The equat...

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Plotting unusually Shape in Matlab
Hi @Bunyod Samandarov This should give you a good start. worldmap 'europe' axis off getm(gca, 'MapProjection') geoshow('lan...

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How to plot the following surface
Hi @Matt J, Sometimes I have troubles visualizing the geometry. Can I plot like this? It should look like an inverted cone. x ...

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calculate the Γ matrix in MATLAB from Φ Matrix - State space equation
@Rajesh Kanesan Thanks for showing your calculation of the Gamma or , I see now... Given the matrices and , you want to go fro...

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2 inputs data training for ANN
@Krishna Saboo For a shallow neural net, you can try something like this: X = [1.0000 0.9019 0.6952 0.4712 0.2781 ...

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Matlab and chemical enngineering
Hi @Abdul Hanan Wali Search this book in your university library because I think this book might be for you if you want to solv...

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How Do I Fix This Fuzzy Gain Scheduling System?
Hi @Isyraf Izuddin The error occurs because the Plant Transfer Function block can ony accept 1 INPUT, instead 3 SEPARATE Inputs...

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my code doesn't work as it should,need help
Hi @Lovre Not sure if this is what you want. but I just modified a little to simulate the heat pump in accordance to your requi...

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How to find x value for certain y value of a lineplot in matlab
Hi @佳丽 周 No joke, but this is the graphical approach.

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Why my graph not same as research paper?
Hi @nur One of the ways to find out is to determine the equilibrium points from the advection-dispersion equation. I haven't c...

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Combine two controllers in ODE45 environment
Hi @Telema Harry Since you are unable to provide more info, here is a very simple example, which I'm not sure if this is what y...

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How to fit a cumulative normal distribution into a smooth curve?
Hi @Rohit Sinha The Error function is essentially identical to the standard normal cumulative distribution function, and so I a...

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Random amino acid sequence generation with a given amino acid count of a specified sequence
Hi @Sk. Hassan I'm no expert in this, but it is possible to generate a sequence of numbers that associate with the Roman alphab...

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How do we find Frequency domain Features of Signal
Hi @ANJANEYA PRASAD Consider using the Signal Analyzer App in the Signal Processing Toolbox. Also see: https://www.mathworks....

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Eigenvalue analysis method of 'damp' function
Hi @ayumi.t According to the damp() documentation, the function returns the following: the poles (eigenvalues) of the dynamic ...

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Proper system linearization for tracking problems
Hi @Federico Toso Perhaps you should consider offline-designing a family of PID controllers that give consistent satisfactory c...

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Problem with optimization using fmincon
@Bartlomiej Skutecki Sometimes, the optimization problem can be understood better if you can visualize the objective function: ...

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create a function in Matlab to calculate Ampere Force with control structures
Hi @Brendina Mehmeti Here is an example to calculate the force per meter of length between two parallel conductors using Ampère...

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how to have a continious sine wave in different periods
@azerty and qwerty Think you probably want to show something like this. Do you remember I mentioned about the points where the...

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How to plot a bifurcation diagram for a Second order differential equation ?
@PONNADA DURGA Prasad So you want to vary the frequency parameter from 0.1 to 3 rad/s in the following ODE and plot the bif...

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Should we always search for the global minima in our optimization problem?
Hi @Shaily_T For academic reasons, maybe a 'Yes' if your team want to demonstrate the novelty in the optimization problem that ...

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Common part of 2D and 3D plot
HI @M If the points of the desired function h are projected to the y–z plane, then the curve should look like this: f = @(z) 0...

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I am modelling an electric car and I'm getting velocity in negative.
Hi @Irfan Amin Gadai That probably implies one thing: the dynamics modeling for your Electric Vehicle is incorrect. Check your...

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How to smoothen the disturbed curve?
Hi @ekagra gupta Adding a lowpass filter should filter the high-frequency input signal with normalized passband frequency. For...

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How to write a function of rainfall seasonality Index (Walsh and Lawler, 1981)
Hi @Joseph Muhumure The computation of the Seasonality Index (SI) is rather direct using sum() and mean(). https://www.math...

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How many dimensions do I need?
Find the *Sample Size N calculation* formula in Google and show it here. Then we maybe able to show how to compute that in MA...

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