Problem 10. Determine whether a vector is monotonically increasing

Solution 475238

Submitted on 19 Jul 2014

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SAMET YILDIZ on 19 Jul 2014

where is the problem here? it gives coreect result in matlab

Meng on 21 Nov 2014

tf should be TRUE or FALSE, not a string

Test	Status	Code Input and Output
1	Fail	%% x = [0 1 2 3 4]; assert(isequal(mono_increase(x),true)); Error: Assertion failed.
2	Fail	%% x = [0]; assert(isequal(mono_increase(x),true)); Error: Output argument "tf" (and maybe others) not assigned during call to "/users/msssystem10/mono_increase.m>mono_increase".
3	Fail	%% x = [0 0 0 0 0]; assert(isequal(mono_increase(x),false)); Error: Assertion failed.
4	Fail	%% x = [0 1 2 3 -4]; assert(isequal(mono_increase(x),false)); Error: Assertion failed.
5	Fail	%% x = [-3 -4 2 3 4]; assert(isequal(mono_increase(x),false)); Error: Assertion failed.
6	Fail	%% x = 1:.1:10; assert(isequal(mono_increase(x),true)); Error: Assertion failed.
7	Fail	%% x = cumsum(rand(1,100)); x(5) = -1; assert(isequal(mono_increase(x),false)); Error: Assertion failed.
8	Fail	%% x = cumsum(rand(1,50)); assert(isequal(mono_increase(x),true)); Error: Assertion failed.