Show if K is positive definite then so is K^2
Last edited by chiph588@; October 9th 2008 at 07:04 PM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by chiph588@ Show if K is positive definite then so is K^2 The matrix is positive definite if for all real non-zeros vectors : is positive definite, so consider:
for any non-zero real vector , then:
why does ?
Originally Posted by chiph588@ why does ? Because is a scalar equal to
View Tag Cloud