Texas Instruments TI-89 Manual Do Utilizador

Additional Graphing Topics

 477

 To enter 

, type it or use the 

.

where:

Nested functions quickly become complex and difficult to visualize.

Using a Multi-Statement, User-Defined Function

Using a Multi-Statement, User-Defined Function

Using a Multi-Statement, User-Defined Function

Using a Multi-Statement, User-Defined Function

For three or more pieces, you may want to create a multi-statement, user-defined 
function.

x < 

Mp

4 sin(x)

x 

|

 

M p

 and x < 0

2x + 6

x 

|

 0

6 – x

2

In the Y= Editor:

y1(x)=when(x<0,when(x<

 M p

,4

ù

sin(x),2x+6),6

N

x^2)

This nested function is in effect when x<0.