Question

What is the difference between local and global maxima ?

Answer 1

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Answer 2

global maxima means there is nothing greater anywhere. local maxima means there is nothing greater nearby.

Answer 3

A global maxima is always a local maxima, a local maxima is sometimes a global maxima.

Answer 4

thank you :)

Answer 5

then you look at the boundaries

Answer 6

or there could be no extremum

Answer 7

is it possible to use higher order differntials for the same ?

Answer 8

it's hard to get any information from higher order derivatives. Do you have a specific problem?