Given an n times n matrix a_{ij} ,, the sum over all permutations pi , of prod_{i=1}^n{a_{ipi(i)
A function of a matrix which has the same terms as the determinant, but all terms are added and none are subtracted
A term describing materials that are chemically stable Permanent materials are not prone to deterioration (either from internal chemical reactions or from reactions with the environment) under normal use and prudent storage conditions(i e not too hot or humid)
Chemically stable; not prone to deterioration either from internal chemical reactions or from reactions with the environment
In the insurance context, permanent life insurance is ordinary life insurance such as whole life-as opposed to term life insurance which expires unless renewed at the end of each term
A permanent is a treatment where a hair stylist curls your hair and treats it with a chemical so that it stays curly for several months. continuing to exist for a long time or for all the time in the future temporary (present participle of permanere ). a perm
A permanent employee is one who is employed for an unlimited length of time. a permanent job. temporary + permanently per·ma·nent·ly permanently employed registered dockers
You use permanent to describe situations or states that keep occurring or which seem to exist all the time; used especially to describe problems or difficulties. a permanent state of tension They feel under permanent threat = constant + permanently per·ma·nent·ly the heavy, permanently locked gate
Something that is permanent lasts for ever. Heavy drinking can cause permanent damage to the brain The ban is intended to be permanent. temporary + permanently per·ma·nent·ly His reason had been permanently affected by what he had witnessed temporarily + permanence per·ma·nence Anything which threatens the permanence of the treaty is a threat to peace