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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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19 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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20 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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28 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 ...
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46 views

Saturation Modeling in ODE45

I have a machine with an arm that can move in a linear one dimensional way. There are 3 limits on the arm: The arm has boundary for its location $(x_{min},x_{max})$ The arm has limit on its velocity ...