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genfunc

  

termscale

  

determine the result of multiplying a generating function by a polynomial

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

termscale(pz, z, fn, n)

Parameters

pz

-

polynomial in z

z

-

name, polynomial variable

fn

-

expression for the nth term in a sequence

n

-

name, index variable for fn

Description

• 

This function shifts and scales fn to determine the sequence encoded by the product of pz and the generating function of fn.

• 

The command with(genfunc,termscale) allows the use of the abbreviated form of this command.

Examples

withgenfunc:

termscale1+az,z,n2ntn+n2tn1,n

an12n1tn1+n12tn2+n2ntn+n2tn1

(1)

See Also

genfunc

genfunc/rgf_charseq

genfunc/rgf_expand

genfunc/rgf_relate

 


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