Cody

Problem 44698. how many of the entries are positive?

Solution 1585430

Submitted on 17 Jul 2018 by Jiahang Li
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Test Suite

Test Status Code Input and Output
1   Pass
assert(isequal(pos(sin(linspace(0,10*pi,100))),49))

ans = 49
2   Pass
assert(isequal(pos(sin(linspace(0,2*pi,100))),49))

ans = 49
3   Pass
assert(isequal(pos(-10:10),10))

ans = 10
4   Pass
x=NaN(1,10) assert(isequal(pos(x),0))

x = NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN ans = 0
5   Pass
x=[NaN(1,10) -10:10] assert(isequal(pos(x),10))

x = Columns 1 through 30 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 Column 31 10 ans = 10

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