language and programming overview

In this section we give a comprehensive overview of the user language and the main programming features of Macaulay 2.

  • variables and symbols
  • valid names
  • assigning values
  • local variables in a file
  • viewing the symbols defined so far
  • subscripted variables
  • numbered variables

  • overview of functions
  • using functions
  • making functions
  • local variables in a function
  • making functions with a variable number of arguments
  • using functions with optional arguments
  • making new functions with optional arguments

  • basic types
  • strings
  • nets
  • lists
  • sequences
  • hash tables

  • control structures
  • loops
  • mapping over lists
  • mapping over hash tables
  • conditional execution
  • error handling

  • input and output
  • printing to the screen
  • reading files
  • getting input from the user
  • creating and writing files
  • two dimensional formatting
  • communicating with programs
  • using sockets

  • interfacing with the system

  • classes and types
  • what a class is
  • installing methods
  • inheritance from parents
  • making new types
  • printing and formatting for new types
  • method functions
  • making a new method function
  • method functions with a variable number of arguments
  • method functions with optional arguments

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