## 10 Reputation

11 years, 141 days

## Length of output exceed limit 1000000...

Maple 13

can anybody help me? i want to check the consistency of my scheme. My equation is too long if i check manually, so i used maple 13 to simplify my equation. But it cannot simplify it because of length of output exceed limit 1000000

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## Graph for stability analysis...

Maple 13

can anybody help me..? why my graph not come out? Is that any mistake in my coding?

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## Invalid arguments on plotting graph...

Can somebody help me on this problem?

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`> restart;> with(LinearAlgebra);> tolerance = 10^(-3); x1km1 := 0; x2km1 := 0; x3km1 := 0; for k to 2 do k := k; x1k := 1/4*(5-x2km1+x3km1); x2k := 1/3*(-4+x1km1-x3km1); x3k := 1/5*(1-2*x1km1-2*x2km1); evalf(x1k); evalf(x2k); evalf(x3k) end do;                               1                               5                               -                               4                               -4                               --`
`> restart; with(plots); with(LinearAlgebra); with(linalg);> m1 := 2280; m2 := 2243; m3 := 2220; k1 := 300; k2 := 200; k3 := 100; F0 := 4.1; omega1 := sqrt((k1+k2)/m1);> Sys := m1*(diff(u1(t), t, t))+(k1+k2)*u1(t)-k2*u2(t) = F0*cos(omega*t);print(??); # input placeholder> IC := u1(0) = 0, (D[1](u1))(0) = 0;> csol := dsolve({IC, Sys}, {u1(t)});%;> p1 := subs(csol, u1(t));> > plot(p1, t = 0 .. 10*Pi, 'color' = "red", 'thickness' = 2, labels = ...`