MATLAB系统仿真（英）(中国矿业大学) 中国大学mooc慕课答案2024版 m94207

1 Introduction 第一章测验

1、 clear will delete anything listed in command window . 

A:正确
B:错误
答案: 错误

2、 Workspace is the memory where all executed variables are saved.

A:正确
B:错误
答案: 正确

3、 >> is the command prompt in command window.    

A:正确
B:错误
答案: 正确

2MATLAB Basics 第二章测试

1、 In Matlab, 3y can be a variable name.

A:正确
B:错误
答案: 错误

2、 In matlab, default format is short, with 4 bits accuracy.

A:正确
B:错误
答案: 正确

3、 A(:,1:4) gets the first and the fourth columns from A. 

A:正确
B:错误
答案: 错误

4、 A(:,2) gets the second columns from A.

A:正确
B:错误
答案: 正确

5、 The abs or double function can be used to obtain the value of the ACSII code corresponding to the string. 

A:正确
B:错误
答案: 正确

6、 You can not call built-in functions with array inputs.

A:正确
B:错误
答案: 错误

7、 If a command is followed by a semicolon (;), the computational result is not shown in the command window.

A:正确
B:错误
答案: 正确

8、 MATLAB is case sensitive.

A:正确
B:错误
答案: 正确

9、 MATLAB language requires prior statement for the use of variables. 

A:正确
B:错误
答案: 错误

3Matrix and its operation 第三章测试

1、 zeros(3,3) will generate a 3 by 3 matrix, in which all elements are 0.

A:正确
B:错误
答案: 正确

2、 MATLAB can combine small matrices directly into large matrices.

A:正确
B:错误
答案: 正确

3、 In Matlab,    can be expressed by a\b. 

A:正确
B:错误
答案: 错误

4、 Assume A is a square matrix, A*A get same value as A.^2

A:正确
B:错误
答案: 错误

5、 If A is a matrix, max(A) return the maximum of the corresponding columns. 

A:正确
B:错误

答案: 正确

6、 Dot operation A.*B requires that the matrices A and B have the same size. 

A:正确
B:错误
答案: 正确

4Calculation 第四章测试

1、 In MATLAB, equivalence (==) is the same to assignment (=).

A:正确
B:错误
答案: 错误

2、 ~ is the unequal operation for Matlab. 

A:正确
B:错误
答案: 错误

3、 In Matlab,   can be expressed by a+b./c+d.

A:正确
B:错误
答案: 错误

4、 In Matlab,   can be expressed by [2 1].

A:正确
B:错误
答案: 错误

5、 deconv(f, a) can calculate the differential value of f for variable a.

A:正确
B:错误
答案: 错误

6、 The syms function is used to create multiple symbolic objects. 

A:正确
B:错误
答案: 正确

7、 Hierarchy of parenthesis is higher than exponentials. 

A:正确
B:错误
答案: 正确

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