Cody

# Problem 10. Determine whether a vector is monotonically increasing

Solution 1741015

Submitted on 3 Mar 2019 by Ryouichi Yamaguchi
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [0 1 2 3 4]; assert(isequal(mono_increase(x),true));

tf = 1×4 logical array 0 0 0 0 tf = logical 1

2   Pass
x = [0]; assert(isequal(mono_increase(x),true));

tf = 1×0 empty logical array tf = logical 1

3   Pass
x = [0 0 0 0 0]; assert(isequal(mono_increase(x),false));

tf = 1×4 logical array 1 1 1 1 tf = logical 0

4   Pass
x = [0 1 2 3 -4]; assert(isequal(mono_increase(x),false));

tf = 1×4 logical array 0 0 0 1 tf = logical 0

5   Pass
x = [-3 -4 2 3 4]; assert(isequal(mono_increase(x),false));

tf = 1×4 logical array 1 0 0 0 tf = logical 0

6   Pass
x = 1:.1:10; assert(isequal(mono_increase(x),true));

tf = 1×90 logical array Columns 1 through 45 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 46 through 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tf = logical 1

7   Pass
x = cumsum(rand(1,100)); x(5) = -1; assert(isequal(mono_increase(x),false));

tf = 1×99 logical array Columns 1 through 45 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 46 through 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 91 through 99 0 0 0 0 0 0 0 0 0 tf = logical 0

8   Pass
x = cumsum(rand(1,50)); assert(isequal(mono_increase(x),true));

tf = 1×49 logical array Columns 1 through 45 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 46 through 49 0 0 0 0 tf = logical 1