# sagbiBasis -- Constructs a computation object from a subring.

## Synopsis

• Usage:
B = sagbiBasis S
• Inputs:
• S, an instance of the type Subring,
• Optional inputs:
• VariableBaseName => , default value "p", name to be used internally for variables in the tensor ring.
• Outputs:

## Description

This function serves as the canonical constructor for the SAGBIBasis type. It is also the output of the sagbi function. A SAGBIBasis may be cast to a Subring using subring.

## Ways to use sagbiBasis :

• "sagbiBasis(HashTable)"
• "sagbiBasis(Subring)"

## For the programmer

The object sagbiBasis is .