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.