Uppgift 4.2: 32 

Typesetting:-mrow(Typesetting:-mi( 

Typesetting:-mrow(Typesetting:-mi( 

`+`(`*`(L, `*`(`+`((D(i[1]))(t), `-`((D(i[2]))(t))))), `*`(R[1], `*`(i[1](t)))) = E, `+`(`*`(L, `*`(`+`((D(i[2]))(t), `-`((D(i[1]))(t))))), `*`(R[2], `*`(i[2](t)))) = 0 (5.1)
 

Typesetting:-mrow(Typesetting:-mi( 

{L = 2, R[1] = 50, R[2] = 25, E = `+`(`*`(100, `*`(sin(`+`(`*`(60, `*`(t)))))))} (5.2)
 

Typesetting:-mrow(Typesetting:-mi( 

`+`(`*`(2, `*`((D(i[1]))(t))), `-`(`*`(2, `*`((D(i[2]))(t)))), `*`(50, `*`(i[1](t)))) = `+`(`*`(100, `*`(sin(`+`(`*`(60, `*`(t))))))), `+`(`*`(2, `*`((D(i[2]))(t))), `-`(`*`(2, `*`((D(i[1]))(t)))), `*... (5.3)
 

Typesetting:-mrow(Typesetting:-mi( 

i[1](0) = 0, i[2](0) = 0 (5.4)
 

Typesetting:-mrow(Typesetting:-mi( 

{i[1](t) = `+`(`-`(`*`(`/`(120, 1321), `*`(cos(`+`(`*`(60, `*`(t))))))), `*`(`/`(1778, 1321), `*`(sin(`+`(`*`(60, `*`(t)))))), `*`(`/`(120, 1321), `*`(exp(`+`(`-`(`*`(`/`(25, 3), `*`(t)))))))), i[2](t...
{i[1](t) = `+`(`-`(`*`(`/`(120, 1321), `*`(cos(`+`(`*`(60, `*`(t))))))), `*`(`/`(1778, 1321), `*`(sin(`+`(`*`(60, `*`(t)))))), `*`(`/`(120, 1321), `*`(exp(`+`(`-`(`*`(`/`(25, 3), `*`(t)))))))), i[2](t...
(5.5)
 

Typesetting:-mrow(Typesetting:-mi( 

Plot_2d