Lab 14

Variable Scope and Lifetime - GR 1 Review

CS211 Lab Policy:

• This lab exercise will not be graded.
• Submit as much as you have completed before the end of the lab period in which it is assigned.
• If you do not finish this lab work, it is to your advantage to finish it outside of class. Please re-submit your finished work to the course web site.
• You may received help from anyone in completing this lab.
• You may not submit another student's code as part of your lab.

Instructions:

To reinforce the ideas in lesson 14:

• Save the file global_demo.m to your CS211 programs folder.
  Examine the code until you understand what it is doing.
  Execute the code and understand what its output means -- that passing large arrays as arguments is time consuming.
   
• Save the file Persistent_Demo.m to your CS211 programs folder.
  Examine the code until you understand what it is doing.
  Execute the code and understand what its output means -- that persistent variables retain their value from one function call to the next.
   
• Save the file Local_variable_demo.m to your CS211 programs folder.
  Examine the code until you understand what it is doing.
  Execute the code and understand what its output means -- that local variables are created and destroyed on each new call to a function.

Prepare for the GR 1, which is next lesson:

Turn-in:

(none)