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help me to solve this second order non-linear differential eq?
can anyone help me to solve this? y''+a*sign(y')*|y'|^1.8+by=c*sin(wt) y=y(t) ; y(0)=0 ; y'(0)=0
13 years 前 | 2 个回答 | 0
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ezplot system of three nonlinear eqations by four unknows
in fact there are four unknowns: a, b, x, y for a specific x it become three equation with three unknowns which can be solved. ...
ezplot system of three nonlinear eqations by four unknows
in fact there are four unknowns: a, b, x, y for a specific x it become three equation with three unknowns which can be solved. ...
14 years 前 | 0
提问
ezplot system of three nonlinear eqations by four unknows
i have three complex nonlinear equations with four unknowns and want the plot of two unknowns as a simple example think of these...
14 years 前 | 1 个回答 | 0
