'Rand function' presentation slideshows

Chapter 5

Chapter 5. Functions. What is a function?. A function groups a number of program statements into a unit and gives it a name. This unit can then be invoked from other parts of the program. The most important reason to use functions is to aid in the conceptual organization of a program.

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Chapter 9: Value-Returning Functions

Chapter 9: Value-Returning Functions. Introduction to Programming with C++ Fourth Edition. Objectives. Raise a number to a power Generate random numbers Create and invoke a function that returns a value Pass information, by value , to a function Write a function prototype

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Functions

Functions. A function takes zero or more values and returns a value. Functions may be predefined. Functions may be user-written. Examples of predefined functions are: sqrt(x) // square root of x abs(x) // absolute value of x rand() // returns a random number

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Random Number Generator

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Functions

Functions. Dilshad M. Shahid New York University @1999. Today. Random number generation. Random Number Generation. There is a function called rand which will generate random numbers rand returns an integer value so you could call it in this way: i = rand(); /* i is of type int */

190 views • 8 slides

Function Call Stack and Activation Frame

Function Call Stack and Activation Frame. Stack Just like a pile of dishes Support Two operations push() pop() LIFO (Last-In, First-Out) data structure The last item pushed (inserted) on the stack is the first item popped (removed) from the stack. Function Call Stack.

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File Operations in Matlab

File Operations in Matlab. Load / Save *.dat, *.mat vs. -ascii fopen /fclose. Get data from other applications Save variables for later use. >> x = 1:10 x = 1 2 3 4 5 6 7 8 9 10 >> y = x .^ 2 y =

94 views • 8 slides

Functions

Functions. Dilshad M. Shahid New York University @1999. Today. Random number generation. Random Number Generation. There is a function called rand which will generate random numbers rand returns an integer value so you could call it in this way: i = rand(); /* i is of type int */

85 views • 8 slides

Common Errors for HW4

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