Finding column index of the first instance of 1
조회 수: 5 (최근 30일)
이전 댓글 표시
I have a logical array like this:
I want to extrat the colum index of the cells where the first instance of 1 is detected. Like this:
For example, you see here that the first two rows show 4, because that is where 1 is first detected.
댓글 수: 0
채택된 답변
Walter Roberson
2022년 5월 2일
C = sum(cumprod(~X, 2),1) + 1;
C will be one more than the number of columns for any row that has no 1.
댓글 수: 4
추가 답변 (1개)
참고 항목
카테고리
Help Center 및 File Exchange에서 Matrix Indexing에 대해 자세히 알아보기
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!