Cody

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

Solution 570402

Submitted on 30 Jan 2015 by Abdullah Caliskan
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### Test Suite

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

M = b ans = 0

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

M = bbbc ans = 1

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

M = bbcb ans = 2

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

M = cccccc ans = 0

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

M = bbbbbb ans = 0

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

M = cbbbbc ans = 2

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

M = bcbcbc ans = 5

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

M = cbcbcb ans = 5