- #1
Banana
- 25
- 0
Can someone double check me please? I'm not sure if it matters that the fourth and first orders are missing.
Reduce to a first-order equation:
2y''''' + 12x^3y''' - 2y^7y'' - 8y = 0
My solution:
u1' = u2
u2' = u3
u3' = u4
u4' = u5
u5' = -6x^3(u4) + y^7(u3) + 4(u1)
Reduce to a first-order equation:
2y''''' + 12x^3y''' - 2y^7y'' - 8y = 0
My solution:
u1' = u2
u2' = u3
u3' = u4
u4' = u5
u5' = -6x^3(u4) + y^7(u3) + 4(u1)