Where does “tridiagonalization” come from?
tridiagonalization (English) comes from English tridiagonal, from English diagonal, from Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís — two.
tridiagonalization (English): The formation of a tridiagonal matrix
Definitions
- The formation of a tridiagonal matrix
Ancestry of “tridiagonalization”, step by step
tridiagonalization traces back through two separate lines of ancestry.
via English tridiagonal
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | tridiagonal | Having nonzero elements only in the main diagonal... |
| 2 | English | diagonal | Joining two nonadjacent vertices; Having slanted... |
| 3 | Middle French | diagonal | — |
| 4 | Latin | diagōnālis | diagonal |
| 5 | Ancient Greek | διαγώνιος | from angle to angle |
| 6 | Ancient Greek | δῐᾰ- | apart; through, across; through; in different... |
| 7 | Ancient Greek | διά | throughout |
| 8 | Proto-Indo-European | dwís | twice, doubly; in two |
| 9 | Proto-Indo-European | dwóh₁ | two |
via English ization
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | ization | — |