next | previous | forward | backward | up | top | index | toc | Macaulay2 website
Macaulay2Doc :: length(ChainComplex)

length(ChainComplex) -- length of a chain complex or graded module

Synopsis

Description

length C -- the length of a chain complex.

The length of a chain complex is defined to be the difference between the smallest and largest indices of spots occupied by modules, even if those modules happen to be zero.