Where does this definition of companion matrix come from?
This entry for companion matrix is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does companion matrix appear elsewhere on Lughet?
Yes — companion matrix appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.