## Trending News

Promoted

# Maximum Principle (1)

Let φ∈C^2[a,b] such that

-φ''(x) ≧0 , a≦x≦b,

φ(a) ≧0

φ(b) ≧0

then φ(x) ≧0 , a≦x≦b

Update:

-φ''(x) >= 0 , a =< x =< b,

φ(a) >= 0

φ(b) >= 0

then φ(x) >= 0 , a =< x =< b

### 2 Answers

Rating

Still have questions? Get your answers by asking now.