Imaginary Number Quotes (2)
I2 = j2 = k2 = ijk = - 1
These formulae were conceived on 16th Oct 1843, and carved by Hamilton, apparently in this form on a stone of Brougham Bridge, over the Royal Canal, Dublin, at the time. It has now worn away.
These formulae were conceived on 16th Oct 1843, and carved by Hamilton, apparently in this form on a stone of Brougham Bridge, over the Royal Canal, Dublin, at the time. It has now worn away.
The earliest version as written in his note-book is reproduced as Frontispiece, William Hamilton, Mathematical Papers (1967), Vol. 3.
Imaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.
Quoted in F. Klein, Elementary Mathematics From an Advanced Standpoint (1932), Vol 1, 56.
See also: | Amphibian (2)