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Question: dsolve. Can't understan why problem

Question:dsolve. Can't understan why problem

phil76600 30 Maple
dsolve
June 29 2013
0

Hi

1st, sorry, i did'nt find the "question" forum so i post here

2nd, difficulties in converting the maple code in text here

3rd : my problem of the day

retart :eq1 := m*(diff(x1(t), t, t))-f = 0; f := -k*x1(t)+k2*(x2(t)-x1(t))-lambda*(diff(x1(t), t));

eq2 := m*(diff(x1(t), t, t))-g = 0; g := -k2*(x2(t)-x1(t)); fcns := x1(t), x2(t);

ICS := {x1(0) = 1, x2(0) = 0, (D(x1))(0) = 0, (D(x2))(0) = 0};

sys := {eq1, eq2}; m := 1; k2 := 1; k1 := 1; lambda := 1; sysdiff := `union`(sys, ICS);

Sol_N := dsolve({sysdiff}, {fcns});

 

desolve has problems. Why ?

Thanks again for answer
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