convolution — English Dictionary

Noun

1. A twist or fold.

   Usage

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2. Any of the folds on the surface of the brain.

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3. The shape of something rotating; a vortex.

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4. The state or condition of being convoluted.

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5. A mathematical operation on two functions that produces a third that expresses how the shape of one is modified by the other; the integral of the product of the two functions after one is reflected about the y-axis and shifted along the x-axis.

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   Examples

   More examples (1)

   1934, Aurel Wintner, The proper method in dealing with distribution functions and their convolutions (“Faltungen”) is the method of Fourier transforms, first applied systematically by Levy in his book on the calculus of probability.

   Linear convolution is one of the most frequent computations carried out in digital signal processing (DSP).

   In Chapter 11 we considered H-convolutions of generalized H-transforms. These convolutions are bilinear, commutative and associative operations[…].

6. A function which maps a tuple of sequences into a sequence of tuples.

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7. One 360° turn in a spring or similar helix.

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Noun

1. the shape of something rotating rapidly

   Synonyms

   whirlswirlvortex

   Broader terms

   round shape

2. a convex fold or elevation in the surface of the brain

   Synonyms

   gyrus

   Broader terms

   structureanatomical structurecomplex body partbodily structurebody structure

3. the action of coiling or twisting or winding together

   Broader terms

   change of shape