Hp 48g Graphing Calculator Manual de usuario descargar pdf (Pagina 248)

100

101

functions, labeled with “A” in appendix G. For example,

Sums, differences, negations, and other selected patterns

of such functions. For example, ' SIN<X>-COS<K> '

Derivatives of all built-in functions. For example, ' IHV< 1+X"'

Polynomials whose base term is linear. For example, ’ <x--3;

1. Press ff^iSYMBOLIC)

to open the fori

gINTESRflTEj

ERPR: I

VRR: LD:

result: Symbolic

ENTER ERPRESSIUN

___________________

The Symbolic INTEGRATE Screen.

2. Enter the expression to be integrated in the EXPFGi field (without

the integral sign).

3. Enter the variable of integration in the VflR= field.

4. Enter the limits of integration in the LCm: and HI“ fields. If you

want to use formal variables for limits, be sure that the variables do

not exist in the current directory.

5. Make sure the RESULT field says Symbol ic: (press [V-), if

necessary.)

6. Press IJK to compute the integral. If the result is a closed-form

expression—if there is no ..i" sign in the result—the symbolic

integration was successful. If the result still contains ..r, you can try-

rearranging the expression and evaluating again. If rearranging fails

to produce a closed-form result, you can estimate the answer with

numeric integration or approximate the symbolic integral using a

Taylor’s polynomial (see “Taylor Polynomial Approximation,” on

page 20-12).

20-8 Calculus and Symbolic Manipulation

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Hp 48g Graphing Calculator Manual de usuario Pagina 248

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