up previous next
4.10.3 Commands and Functions for Rational Functions
|
***** NOT YET UPDATED TO CoCoA-5: follow with care *****
The following are commands and functions for rational functions:
BringIn
|
bring in objects from another ring
|
den
|
denominator
|
der
|
the derivative of a rational function
|
Fraction
|
returns the quotient of its arguments
|
inverse
|
multiplicative inverse
|
IsZero
|
test whether an object is zero
|
len
|
the length of an object
|
num
|
numerator
|
product
|
the product of the elements of a list
|
Size
|
the amount of memory used by an object
|
subst
|
substitute values for indeterminates
|
sum
|
the sum of the elements of a list
|
For details look up each item by name. Online, try
?ItemName
or
H.Syntax("ItemName")
.