if Function

if(cond, x, y)

Returns x if logical condition cond is true (or non-zero),
y otherwise.

cond is usually an expression involving a logical/boolean operator. For example you can use:

for a logical AND

for a logical OR

for an equality

x is the value returned when cond is true.
y is the value returned when cond is false.

Examples

1.

2.

3.

use the vectorize operator to apply the function status to each element of the vector temperature:

4.

Here is a simple function:

The if function can be used to create piecewise functions.

is when and 0 otherwise:

5.

is when and otherwise:

6.

is when and otherwise:

7.

is when or , and otherwise:

8.

is when , is when , and 0 otherwise:

^ Top