偏微分方程里的问题A uniform string of length πl is fastened at its en
偏微分方程里的问题
A uniform string of length πl is fastened at its ends x=0,x=πl.The point x=1/3πl is drawn aside a small distance b ,and the string released from rest at time t=0.Show that,if Tis the tension and ρ the density per unit length of string,the subsequent displacement of the string is
A uniform string of length πl is fastened at its ends x=0,x=πl.The point x=1/3πl is drawn aside a small distance b ,and the string released from rest at time t=0.Show that,if Tis the tension and ρ the density per unit length of string,the subsequent displacement of the string is
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你能帮帮他们吗