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# @Johannes

### TU München

2015 以来アクティブ

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How to calculate wind direction& speed from U and V wind components
Hi, the formulas you need are easy to find in the internet. Do you have a specific problem with MATLAB? http://www.mathwo...

Partial Derivative and its roots
Hi Ali, instead of the inline function you should use Anonymus Functions because inline will be removed in future releases. ...

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solution of ode's with inputs using ode45
Hello, i agree with your linear approach. But in your nonlinear script you are mixing linear control theory with a nonlinear ...

6年以上 前 | 1

How to extract user entered properties from Simulink Lowpass Filter block?
Hello, you can try to extrcat the Dialog Parameters of your Lowpass block. Type the following command in your Matlab Command W...

6年以上 前 | 0

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Solving 2nd order ODE with various methods
Hello, in your example you are using ODE45 to solve your ode. ODE45 is a solver which is using the method of Runge Kutta (RKF...

6年以上 前 | 0

I have a complex ODE, why do the results vary dpending on the solver?
Hello, because ODE8 und ODE14x are using different numerical Methods to solve your ode. ODE8 is an explicit solver while ODE...

6年以上 前 | 0

Simulink - starting calculations in subsystem with some delay
Hello, there is a Memory Block in Simulink which applys one integration step delay to your simulation. This could be a Solutio...

6年以上 前 | 0

Plot Mag[H(j2pif)] as a function of frequency over the range of 0 to 4 KHz
Hello, you can use the command "bode(H,{wmin,wmax})" where wmin (=2pifmin) and wmax are your boundaries to plot the diagram o...

6年以上 前 | 0

[Beginner] Simulink - Active Low Pass Filter of 1st Order
Hello, what kind of errors are appearing? What Version of Matlab do you use? Is it possible to upload the Model to MatlabAns...

6年以上 前 | 0

setting y axis data in figure
Hi, to narrow the data space you can use the following commands, ax=gca; ax.YLim = [20 78]; ax.YTick = 20:2:78...

6年以上 前 | 0

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