Matrix A (n x n) is said to be positive definite if
x'*A*x > 0
for all x in R^n.
Matrix A is said to be negative definite if
x'*A*x < 0
for all x in R^n.
See also Positive semidefinite and Negative semidefinite.
Matrix A (n x n) is said to be positive definite if
x'*A*x > 0
for all x in R^n.
Matrix A is said to be negative definite if
x'*A*x < 0
for all x in R^n.
See also Positive semidefinite and Negative semidefinite.