第一章 单元测试

1、判断题:
When the error propagation formula is , it is called exponential error propagation. ( )
选项:
A:错
B:对
答案: 【错】

2、单选题:
When performing( )operation with two similar numbers, it is easy to cause larger errors.(
选项:
A:Multiplication
B:Addition
C:Division
D:Subtraction
答案: 【Subtraction】

3、多选题:
Which problems should be solved by numerical analytical tool ( )?
选项:
A:

B:

C:

D:

答案: 【
;

】

4、单选题:
If p* =10.001 is an approximate of p = 10.000, then the relative error is ( )
选项:
A:

B:

C:

D:

答案: 【
】

5、单选题:
To approach 1/3, we should use at least ( ) significant digits to guarantee a relative error of
选项:
A:

B:

C:

D:

答案: 【
】

第二章 单元测试

1、判断题:
Suppose is a sequence that converges to p, with for all n. If positive constants and exist with
.
Then, if , the sequence is linearly convergent. ( )
选项:
A:对
B:错
答案: 【对】

2、单选题:
The convergence rate of the bisection method is( ).
选项:
A:

B:

C:

D:

答案: 【
】

3、单选题:
The convergence rate of the Newton’s method is( ).
选项:
A:

B:

C:

D:

答案: 【
】

4、判断题:
Let and . Use Newton’s method to find . can be used as an initial point? ( )
选项:
A:对
B:错
答案: 【错】

5、判断题:
The fixed-point problem g(x)=x-x3-4x2+10 cannot converge for initial point x0=1.5. ( )
选项:
A:对
B:错
答案: 【对】

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