Problem 367. Specific Element Count

Created by @bmtran (Bryant Tran)

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Given a vector v and a element e, return the number of occurrences of e in v.

Note: NaNs are equal and there may be no occurrences of e in v

Example:

v = 1:10
e = 2
output = 1

Solve

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1899 Solutions
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Last Solution submitted on Apr 08, 2020

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Solution 1552355

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Peter Corke on 7 Jun 2018

The comment about NaNs being equal is rather vague, clarify or give a specific example

Solution 471034

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2 Comments

Harish Maradana on 13 Jul 2014

NaN==NaN gives 0 help me

Xiangbing Jiao on 11 May 2019

Use isnan keyword. isnan(NaN) gives 1

Solution 397087

1 Comment

1 Comment

Andrew on 5 Feb 2014

There should be a test to stop this from passing

Solution 217331

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1 Comment

Tim on 14 Mar 2013

This just got lucky on the test suite. It would fail on ecount(1:12,2), for example.

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Problem 367. Specific Element Count

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Problem 367. Specific Element Count

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