Labels

• bug

  Something isn't working
• documentation

  Improvements or additions to documentation
• duplicate

  This issue or pull request already exists
• enhancement

  New feature or request
• good first issue

  Good for newcomers
• help wanted

  Extra attention is needed
• invalid

  This doesn't seem right
• model
• new algorithm
• num

  numerical solution dev
• question

  Further information is requested
• ref flag

  the most important
• refactor

  refactorize the code to make the codes more concise, logical
• wontfix

  This will not be worked on