IEVref: | 103-01-04 | ID: | |

Language: | en | Status: Standard | |

Term: | transformation | ||

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Definition: | function for which both the argument and the value are functions Note 1 to entry: An example of transformation is the Fourier transformation, where the argument is a function of time and the value is the Fourier transform of this function. When the argument, the value, or both, are ordered set of entities, a linear transformation is often represented by a matrix. Note 2 to entry: For historical reasons, some transformations are called operators, e.g. nabla operator (IEC 60050-102, 102-05-18). | ||

Publication date: | 2009-12 | ||

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Internal notes: | 2017-02-20: Editorial revisions in accordance with the information provided in C00020 (IEV 103) - evaluation. JGO | ||

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Note 1 to entry: An example of transformation is the Fourier transformation, where the argument is a function of time and the value is the Fourier transform of this function. When the argument, the value, or both, are ordered set of entities, a linear transformation is often represented by a matrix.

Note 2 to entry: For historical reasons, some transformations are called operators, e.g. nabla operator (IEC 60050-102, 102-05-18).