Problem 2549. length of a vector

Created by Hananeh

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Find twice the length of a given vector.

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1301 Solutions
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Last Solution submitted on Oct 18, 2025

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Paul Bower on 20 Jan 2025

For test case 2: x=[1 2 3]; shouldn't the answer be norm(x) which is approximately 3.74?

Christian Schröder on 20 Jan 2025

"length" here refers to the number of elements - and yes, the problem description could be clearer.

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