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자유게시판
수학을 주제로 떠들어 보세요!
[잡담] 수학자12번
mathwizard 2020.12.26 06:39 조회 535
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

기호\sigma랑 i,j가 어떤 뜻이 있는 기호인가요, 아니면 그냥 숫자를 나타내는 기호인가요?

만약 뜻이 있다면 그 기호들의 뜻이 무엇인가요? 

(음 기호쓰는 건 문제 스포하는 건 아니니까 괜찮겠죠?)

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  •  
    원파 Lv.9 2020.12.26 08:03

    첫번째꺼는 그냥 순열 이름이고, i, j는 숫자입니다~!

    댓글 작성하기 좋아요0 댓글수2
    •  
      mathwizard Lv.7 2020.12.26 17:18

      고맙습니다!

      좋아요0
    •  
      mathwizard Lv.7 2020.12.26 18:46

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      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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      Function: file_exists

      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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      Function: getLatexImg

      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view_comment_list.php
      Line: 200
      Function: parseLatexImg

      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
      Line: 343
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      File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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      Line: 315
      Function: require_once

      근데\sigma가 그냥 순열이름이라고 하셨으니까 아무 숫자도 나타내지 않는건가요? 아무 숫자도 나타내지 않으면 문제를 풀 수 없을 거 같은데...

      좋아요0

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Function: _error_handler

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

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Line: 19
Function: _error_handler

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

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