Cody

# Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Solution 2745082

Submitted on 27 Jul 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 1; y_correct = 0; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

2   Fail
x =[7 1 2 -3]; y_correct =1; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

3   Fail
x =[7 1 -2 3]; y_correct =2; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

4   Fail
x =[-7 -1 -2 -3 -9 -8]; y_correct =0; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

5   Fail
x =[5 6 7 8 9 9]; y_correct =0; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

6   Fail
x =[-5 6 7 8 9 -9]; y_correct =2; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

7   Fail
x =[5 -6 7 -8 9 -9]; y_correct =5; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

8   Fail
x =[-5 6 -7 8 -9 9]; y_correct =5; assert(isequal(Sign_Changes(x),y_correct))

Error in solution: Line: 2 Column: 17 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.