gibson:teaching:fall-2013:math445:lecture5functions
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gibson:teaching:fall-2013:math445:lecture5functions [2013/09/10 13:02] gibson |
gibson:teaching:fall-2013:math445:lecture5functions [2013/09/10 13:05] (current) gibson |
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| - | The functions we wrote in class are provided below. Each has a description of what we're illustrating, the filename, and then the file contents. You can cut & paste as needed. | + | The functions we wrote in class are provided below. Each lists the filename, a description of what we're illustrating, and then the file contents. You can cut & paste as needed. |
| - | A super-simple example of a function that takes one argument and returns one value | ||
| - | square.m | + | square.m : a super-simple example of a function that takes one argument and returns one value |
| <code> | <code> | ||
| function s = square(x); % declare a function named square | function s = square(x); % declare a function named square | ||
| Line 13: | Line 12: | ||
| </code> | </code> | ||
| - | An example of a function that takes two arguments | ||
| - | pow.m | + | pow.m : an example of a function that takes two arguments |
| <code> | <code> | ||
| function y = pow(x,n) % this function takes two arguments | function y = pow(x,n) % this function takes two arguments | ||
| Line 25: | Line 23: | ||
| </code> | </code> | ||
| - | An example of a function with two return values | ||
| - | square_cube.m | + | square_cube.m : an example of a function with two return values |
| <code> | <code> | ||
| Line 40: | Line 37: | ||
| - | + | isOdd.m : an example of an if-else statement | |
| - | + | ||
| - | + | ||
| - | An example of an if-else statement. | + | |
| - | + | ||
| - | isOdd.m | + | |
| <code> | <code> | ||
| function r = isOdd(n) | function r = isOdd(n) | ||
| Line 58: | Line 50: | ||
| - | A simpler example of an if-else statement | + | isTwo.m : a simpler example of an if-else statement |
| - | + | ||
| - | isTwo.m | + | |
| <code> | <code> | ||
| function r = isTwo(n); | function r = isTwo(n); | ||
| Line 76: | Line 66: | ||
| </code> | </code> | ||
| - | An simple example of a for-loop, with no arguments and no return value | + | printtoten.m : a simple example of a for-loop, with no arguments and no return value |
| - | + | ||
| - | printtoten.m | + | |
| <code> | <code> | ||
| function printtoten(); | function printtoten(); | ||
| Line 91: | Line 79: | ||
| </code> | </code> | ||
| - | A more meaningful example of a for-loop | ||
| - | sumtoten.m | + | sumtoten.m : a more meaningful example of a for-loop |
| <code> | <code> | ||
| function s = sumtoten(); | function s = sumtoten(); | ||
| Line 107: | Line 94: | ||
| </code> | </code> | ||
| - | A home-grown matrix-vector multiply function | ||
| - | matvecmult.m | + | matvecmult.m : a home-grown matrix-vector multiply function |
| <code> | <code> | ||
| function y = matvecmult(A,x); | function y = matvecmult(A,x); | ||
gibson/teaching/fall-2013/math445/lecture5functions.1378843324.txt.gz · Last modified: 2013/09/10 13:02 by gibson
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