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Physics 2101 - Scientific Computing

Randy Kobes

Physics Department

September, 2003

University of Winnipeg

Contents
A Perl Program
Programming Elements
Variables
- Scalar Variables
- Arrays
- Hashes
- Random values
- Declaring variables
  - Local and global variables
Loops
- Simple for () {}
  - Use of $_
  - Variable scoping
- General for ( ) { }
- while () {}
Conditionals
- Comparisons
- if() { } and unless(){ }
  - Variable scoping
- if/else and ternary operators
- if/elsif/else and switch statemements
- Multiple conditions
- Defined and existence
Input/Output
- Standard Input/Output/Error
- Command line arguments
- File Handles
References and Complex Data Structures
- References
- Complex data structures
Subroutines, functions, and modules
- Defining subroutines
  - Variable scoping
- Passing in variables
  - Variable scoping
- Returning variables
- Passing in and returning arrays and hashes
- References to subroutines
- Modules
CGI scripts
- HTTP protocol
- HTML
  - Common markup tags
  - Form tags
- Form processing
  - Web servers
  - CGI scripts
Objects Oriented Programming
- A simple example
- Further examples
- Inheritance
A C Program
Programming Elements
Variables
- Scalar Variables
- Arrays
Loops
- Simple for () {}
- while () {}
Conditionals
- if() { }
- if/else and ternary operators
Input/Output
- Standard Input/Output/Error
- Command line arguments
- File Handles
Subroutines, functions, and libraries
- Defining subroutines
- Header files
- Libraries
- Makefiles
Pointers
- What is a pointer?
- Pointers and subroutines
- Arrays
- Allocation
- Subroutine return types
- Function pointers
- Void pointers
Structures
- Defining structures
- Pointers to structures
- Structures and subroutines
C++
- A C++ program
- Classes
- Constructors
- Inheritance
Java
- A simple program
- Classes
- Constructors
- Inheritance
Index
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