Error using sym/sin : Too many input arguments

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Abhinay Tadwalkar
Abhinay Tadwalkar 2018-12-10
评论： madhan ravi 2018-12-10
clc;
syms w k c m F0 t
w_n = (k/m)^(1/2);
zeta = c/(2*w_n*m);
A = F0*(k-m*w^2)/((c*w)^2 + (k-m*w^2)^2);
B = F0*c*w/((c*w)^2 + (k-m*w^2)^2);
x = A*cos(w*t) + B*sin(w,t);
xd = jacobian(x,t);
xdd = jacodian(xd,t);
Dynamic_Differential_Equation = m*xdd + c*xd + k*x

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采纳的回答

madhan ravi
madhan ravi 2018-12-10
编辑：madhan ravi 2018-12-10
x = A*cos(w*t) + B*sin(w,t);
^---- should be *

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