2016-04-01.sagews

Math 480: Open Source Mathematical Software

2016-04-01

William Stein

Lectures 3: Using SageMathCloud (part 2 of 2)

Topics for today

• Backups

  • Exercise: open a file from a backup; copy a file from a backup

• Deleting stuff:

  • deleting files

    • Exercise: delete a file, then empty the trash

  • hiding projects

    • Exercise: hide your project from yourself, confirm in project list, then unhide it

  • creating/deleting projects

    • Exercise: delete and undelete your project.

• Jupyter notebooks

  • Exercise: create a jupyter notebook, then evaluate 2+3, then try some of the kernels (e.g., a little R or Julia code).

• More about task lists

  • Exercise: Create a todo list for the course with what you need to do -- HW1!! -- and note it is due at 6pm tonight!

• Writing and running programs in various languages: Python, Java, C/C++, Go, Fortran

  • For now, you put the code in a file and edit it, then compile and run it using a terminal (just like I did in 1991 as an undergrad)

  • Exercise: Write/copy a hello world Java program, compile it (using javac) and run it. Google at will for how to do this.