chainComplex (...) -- make a chain complex

chainComplex (...) -- make a chain complex

Synopsis:

Function: chainComplex -- make a chain complex

Input:

an instance of class Sequence.

Output:

an instance of class ChainComplex.

chainComplex(f,g,h,...) -- create a chain complex C whose differentials are the maps f, g, h.

The map f appears as C.dd_1, the map g appears as C.dd_2, and so on.