photo

rui gao


Last seen: 거의 2년 전 |  2018년부터 활동

Followers: 0   Following: 0

통계학

  • First Review
  • Thankful Level 1
  • First Answer

배지 보기

Feeds

보기 기준

질문


Parallelogram rule for vectors
Is there some methods to calculate the summation of these four red vectors showed below? For example, V1 = [4,3]; V2 = [-3,4]...

4년 초과 전 | 답변 수: 1 | 0

1

답변

답변 있음
How to delete the branches?
Maybe I can delete these segment lines in ArcGIS as the small segment lines can be identified as short length.

거의 5년 전 | 0

| 수락됨

질문


How to delete the branches?
I have a matrix which just consist by 0 and 1, like the figure above (1 is black and 0 is white). It's kind of river, but ther...

거의 5년 전 | 답변 수: 2 | 0

2

답변

질문


Questions about 'geotiffwrite'
Hello, any suggestions would be appreciated. I use matlab to read '*.tif' (DEM), and do some data processing. After the process...

대략 5년 전 | 답변 수: 0 | 1

0

답변

질문


How to combine cells with a matrix?
I want to extract 6 lines from a ascii file, and add these lines into another text file which just contains a matrix, like 500*5...

5년 초과 전 | 답변 수: 1 | 0

1

답변

답변 있음
How to find column and row indexes of items that are +-inf or Nan ?
Hi. If I need omit these elements (inf) to calculate the variance, how to achieve it?

5년 초과 전 | 0