As nouns the difference between matroid and mattoid
is that matroid is (combinatorics) a structure that captures the essence of a notion of "independence" that generalizes linear independence in vector spaces while mattoid is a person who displays such behaviour.
As an adjective mattoid is
displaying erratic behaviour.
matroid
Noun
(
en noun)
(combinatorics) A structure that captures the essence of a notion of "independence" that generalizes linear independence in vector spaces.
mattoid
English
Noun
(
en noun)
A person who displays such behaviour
Compound of genius and fool
References
*OED (online) 2001
*Concise Oxford Dictionary 1964