The modern technical definition of a functional is a function from a vector space into the scalar field. For example, finding the length of a vector is a (non-linear) functional, or taking a vector …

Jan 11, 2022 · Functional neurologic disorder is related to how the brain functions, rather than damage to the brain's structure (such as from a stroke, multiple sclerosis, infection or injury). …

Jan 4, 2025 · Functional dyspepsia is a term used to describe a lingering upset stomach that has no obvious cause. Functional dyspepsia (dis-PEP-see-uh) also is called nonulcer dyspepsia. …

May 24, 2015 · Functional analysis is, for a large part, linear algebra on a infinite dimensional vector space over the real or complex numbers. Having a good intuition from linear algebra is …

A Taylor-series expansion of the density functional F[n] is constructed from the given expansion for the energy E[v]. The formalism is used to investigate the noninteracting kinetic-energy …

Feb 9, 2019 · Adult functional gastrointestinal disorders (FGIDs) are brain-gut interaction disorders that affect about 1 out of every 4 adults and have a significant negative impact on quality of life, …

Apr 17, 2021 · Functional causes. Gut-brain interaction disorders associated with bloating and distension include IBS, chronic idiopathic constipation, pelvic floor dysfunction, functional …

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Functional Derivative (Gateaux variation) of functional with convolution. 1. Derivative of convolution ...

Jan 11, 2022 · Treatment for functional neurologic disorder will depend on your particular signs and symptoms. For some people, a multispecialty team approach that includes a neurologist; …