mcount (mex)

Counts the number elements in a specified vector or matrix that match a specified criteria.

버전 2.1.2.0 (3.23 KB)
다운로드 수: 1.5K
(1)
2016/6/21

이 제출물을 팔로우합니다

Given a vector or matix MATRIX, counts the number of times that the scalar X satisfy the (string) condition COND. The result is returned in the variable RES. the COND operators allowed are: ==, >=, <=, <, >, !=. The function is faster than SUM(MATRIX'COND'X) or LENGTH(FIND(MATRIX'COND'X)). A test script is provided to show the performances.

인용 양식

Stefano Gianoli (2026). mcount (mex) (https://kr.mathworks.com/matlabcentral/fileexchange/5194-mcount-mex), MATLAB Central File Exchange. 검색 날짜: .

카테고리

Help Center 및 MATLAB Answers에서 Analyze Simulation Results에 대해 자세히 알아보기

일반 정보

MATLAB 릴리스 호환 정보

  • 모든 릴리스와 호환

플랫폼 호환성

  • Windows
  • macOS
  • Linux
새 탭에서 열기
버전 퍼블리시됨 릴리스 정보
2.1.2.0

small bug fix
2.1.1.0

Name changed to mcount as another function named count exist in MTREE/count.
2.1.0.0

added a test script
2.0.0.0

Can handle NaNs.
To compile it from Matlab Command Window:
>mex count.c
test with:
> count([1 2 2 3 NaN NaN Inf; 1 2 3 4 5 6 7],NaN,'!=')
ans =
12
1.0.0.0