課程名稱︰常微分方程導論
課程性質︰數學系大二必修
課程教師︰夏俊雄
開課學院:理學院
開課系所︰數學系
考試日期︰2020年11月17日(二),15:30-18:30
考試時限:180分鐘
試題 :
ODE EXAM 2 11/17/2020
1. (20 points) Set
(3 1 -2)
A = (2 4 -4),
(2 1 -1)
T
X(t) = (x1(t),x2(t),x3(t)) and g(t) = (t,cos(t),sin(t)). Solve the
differential system
X'(t) = AX(t) + g(t)
T
with initial condition X(0) = (1,2,3) .
2. (10 points) Find the solution of the initial value problem
2y'' + y' + 3y = δ(t-5)
with initial condition y(0) = 0, y'(0) = 0.
3. (20 points) Solve the following two integro-differential equations
1 t 2
ψ'(t) -