Problem 6. Select every other element of a vector

Solution 952732

Submitted on 1 Sep 2016

Size: 44
Leading solution size is 7.

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2 Comments

2 Comments

Daniel Fernandez on 1 Sep 2016

I wrote:

function y = everyOther(x)
n=0;
for i=1:length(x)
if rem (i,2)==0
n=n+1
y(i-n)= x(i-1);
end
end
end

Could someone explain why it failed?

SIVAPRAKASH DANABALASINGAM on 10 Jan 2017

nice

Test Suite

Test	Status	Code Input and Output
1	Pass	x = rand(1,10); actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected))
2	Pass	x = rand(1,100); actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected))
3	Fail	x = ['A' 'long' 'time' 'ago' 'in' 'a' 'galaxy' 'far' 'far' 'away']; actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected)) Assertion failed.

Test

Status

Code Input and Output

Pass

x = rand(1,10); actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected))

Pass

x = rand(1,100); actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected))

Fail

x = ['A' 'long' 'time' 'ago' 'in' 'a' 'galaxy' 'far' 'far' 'away']; actual = everyOther(x); expected = x(1:2:length(x)); assert(isequal(actual, expected))

Assertion failed.

Problem 6. Select every other element of a vector

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Problem 6. Select every other element of a vector

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