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How to define piecewise functions
12-29-2013, 06:16 PM
Post: #1
How to define piecewise functions
Hello, i try to define a piecewise function in SYMB view like this :
   
In Plot view, i see F1(X) and F2(X) undefined :
   
How can i resolve this ? Thanks.
JC
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12-29-2013, 06:40 PM
Post: #2
RE: How to define piecewise functions
Use the piecewise function. | is used for variable substitution, not domain restriction. Use a [,] key press while in the last box to add more lines.

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You could also use the old standby of (2*X)/(X<5) which works on any calculator if it has a piecewise operator or not.

TW

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12-29-2013, 06:41 PM
Post: #3
RE: How to define piecewise functions
(12-29-2013 06:16 PM)jc_63 Wrote:  Hello, i try to define a piecewise function in SYMB view

Try entering the PIECEWISE expression in algebraic mode:

   

This will get the results you are looking for:

   

Mark Hardman

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12-29-2013, 06:53 PM
Post: #4
RE: How to define piecewise functions
Thank you for your replies, JC
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