Problem 367. Specific Element Count

Created by @bmtran (Bryant Tran)

Solve Later

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

Solution Stats

1889 Solutions
512 Solvers

Last Solution submitted on Feb 24, 2020

Last 200 Solutions

Problem Comments

Solution Comments

Solution 1552355

1 Comment

1 Comment

Peter Corke on 7 Jun 2018

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

Solution 471034

2 Comments

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

1 Comment

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.

Problem Recent Solvers512

Problem Tags

Problem 367. Specific Element Count

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers512

Suggested Problems

More from this Author56

Problem Tags

Problem 367. Specific Element Count

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers512

Suggested Problems

More from this Author56

Problem Tags

Players