History
The concepts of latin squares and mutually orthogonal latin squares were generalized to latin cubes and hypercubes, and orthogonal latin cubes and hypercubes by Kishen (1942). Rao (1946) generalized these results to strength t. The present notion of orthogonal array as a generalization of these ideas, due to C.R. Rao, appears in Rao (1947).
Read more about this topic: Hyper-Graeco-Latin Square Design
Famous quotes containing the word history:
“Racism is an ism to which everyone in the world today is exposed; for or against, we must take sides. And the history of the future will differ according to the decision which we make.”
—Ruth Benedict (1887–1948)
“Racism is an ism to which everyone in the world today is exposed; for or against, we must take sides. And the history of the future will differ according to the decision which we make.”
—Ruth Benedict (1887–1948)
“False history gets made all day, any day,
the truth of the new is never on the news
False history gets written every day
...
the lesbian archaeologist watches herself
sifting her own life out from the shards she’s piecing,
asking the clay all questions but her own.”
—Adrienne Rich (b. 1929)