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i need solve m*d2x/dt2 + c*dx/dt + k*x= 0 with matlab and I have encountered an error Undefined function or variable 't'. please help me
function dx = kc(t,x) global cm km dx = [-cm*x(1) - km*x(2);x(1)]; tspan = [0 15]; ic = [0 1]; global cm km m = 20; c(1)...
7 years 前 | 1 个回答 | 0
