The hat operator is a mathematical notation with various uses in different branches of science and mathematics.
Read more about Hat Operator: Hat Matrix, Cross Product, Estimated Value
Famous quotes containing the word hat:
“There was on old person of Fratton
Who went to church with his hat on.
“If I wake up,” he said,
“With my hat on my head,
I shall know that it hasn’t been sat on.””
—Anonymous.