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1answer
52 views

Is it allowed to use the quadratic solution formula for a differential equation

I have some trouble with a challenging fluid mechanics problem. The problem leads me to a non-linear ode 1st order. $0={\dot p_C}^2+\frac{k_1}{k_2 C}\dot p_C+\frac{p_C-p_0}{k_2C^2}$ My Idea was now ...
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38 views

FIR filter approximation using a continuous time dynamical system

How can you approximate a Finite Impulse Discrete filter (FIR) using a continuous time linear dynamical system? I am seeing this problem using Matlab, where the resulting continuous system (obtained ...
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54 views

On Simulink, fzero function is an unsupported MATLAB function, is there any alternative?

I need to use "fzero" (or any alternative) function on Simulink, but MATLAB says: "Code generation does not support anonymous functions.". Is there any way to use this function on Simulink? I do not ...
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61 views

Direction of rotation in matlab/simulink

I have a general question. In Simulink, say you have identified an axis for a revolute joint (x,y,z):(1,0,0) and you plot the angle. Is the normal convention the right hand rule? In this case positive ...
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31 views

Which model technique to use for differential equation

We have a diferential equation: $$u'(t) - u(t) = y'(t) + y(t)$$ Which method do we use to create a model in simulink for this diferential equation, as we cannot use Indirect method, becouse ...