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【单选题】
The local truncation error order of Euler's method is
A.
O(h)
B.
O(h^2)
C.
O(h^3)
D.
O(h^4)
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】If f(1)=2, f(2)=3, and f(4)=5.9, then in the Lagrange difference polynomial, the coefficient of x^2 is
A.
0.25
B.
0.15
C.
0.55
D.
1.3
【单选题】Grammar can be divided into four types: Type 0, type 1, type 2 and type 3. The type 1 grammar is ( ).
A.
Phrasal grammar
B.
Regular grammar
C.
Context-sensitive grammar
D.
Context-free grammar
【单选题】In canonical reduction, reducible strings are characterized by ().
A.
immediate phrase
B.
handle
C.
Production
D.
token
