[請益] 簡協運動中的式子
m(d^2 x/dt^2) + b(dx/dt) + kx = 0
如何變成..
x(t) = Xm e^(-bt/2m) cos(ω't + ψ)
出自於halliday physics 8th edition P.400 eq.15-41 & 15-42
第一次在BBS上打數學式
如果亂了點請多包涵
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