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Re: Functional and function

dummy@example.com (zulqarnain) — Wed, 29 Nov 2017 07:15:15 +0000

Thanks a lot.

Re: Functional and function

dummy@example.com (sobereva) — Wed, 29 Nov 2017 07:02:35 +0000

Functional can be regarded as "function of function".
For example, according to DFT, energy of a system is determined by electron density distribution in ground state, while electron density itself is a function, therefore, energy is functional of electron density.

Functional and function

dummy@example.com (zulqarnain) — Wed, 29 Nov 2017 05:23:54 +0000

Hi Professor
What is difference between function and functional?