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Test

Code Input and Output

1

Fail

%% assert(isequal(times2(1),2));

Error: Error: File: times2.m Line: 2 Column: 5 "x" was previously used as a variable, conflicting with its use here as the name of a function or command. See MATLAB Programming, "How MATLAB Recognizes Function Calls That Use Command Syntax" for details.

2

Fail

%% assert(isequal(times2(11),22));

Error: Error: File: times2.m Line: 2 Column: 5 "x" was previously used as a variable, conflicting with its use here as the name of a function or command. See MATLAB Programming, "How MATLAB Recognizes Function Calls That Use Command Syntax" for details.

3

Fail

%% assert(isequal(times2(-3),-6));

Error: Error: File: times2.m Line: 2 Column: 5 "x" was previously used as a variable, conflicting with its use here as the name of a function or command. See MATLAB Programming, "How MATLAB Recognizes Function Calls That Use Command Syntax" for details.

4

Fail

%% assert(isequal(times2(29),58));