Cross Product
In screw theory, one use of the hat operator is to represent the cross product operation. Since the cross product is a linear transformation, it can be represented as a matrix. The hat operator takes a vector and transforms it into its equivalent matrix.
For example, in three dimensions,
Read more about this topic: Hat Operator
Famous quotes containing the words cross and/or product:
“If I can cross him any way, I bless myself every way.”
—William Shakespeare (1564–1616)
“Whenever a taboo is broken, something good happens, something vitalizing.... Taboos after all are only hangovers, the product of diseased minds, you might say, of fearsome people who hadn’t the courage to live and who under the guise of morality and religion have imposed these things upon us.”
—Henry Miller (1891–1980)