Macaulay2 » Documentation
Packages » Macaulay2Doc :: isTable
next | previous | forward | backward | up | index | toc

isTable -- whether something is a list of lists of equal length

Synopsis

Description

i1 : isTable {{1,2,3},{4,5,6}}

o1 = true
i2 : isTable {{1,2,3},{4,5}}

o2 = false

Caveat

It is intrinsically impossible to represent a $0\times k$ matrix as a list of lists.

See also

For the programmer

The object isTable is a function closure.