differentiation of a formal power series - Maple Help

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powseries[powdiff] - differentiation of a formal power series

Calling Sequence

powdiff(p)

Parameters

p

-

formal power series

Description

• 

The function powdiff(p) returns the formal power series that is the derivative of p with respect to the variable of p.

• 

The command with(powseries,powdiff) allows the use of the abbreviated form of this command.

Examples

withpowseries:

t:=powpolyx+1,x:

s:=powlogt:

tpsforms,x,6

x12x2+13x314x4+15x5+Ox6

(1)

r:=powdiffs:

tpsformr,x,10

1x+x2x3+x4x5+x6x7+x8x9+Ox10

(2)

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