Importance

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Abstract

A digital spectrum defines and communicates a file's informational characteristics. A file's informational position may be represented as a vector in an N-dimensional space, where each dimension is defined by a symbol. A position along the axis of any given dimension is described by the frequency of occurrence of that symbol. Relative to the origin of the space, the file's position can be computed. Comparing positions reveals similarity, or not, of the files. Another method uses the digital spectrum to define a line graph. Each symbol and its frequency define points on the line. A distance function between two spectra line graphs is computed. Comparing values from the distance functions reveals similarity, or not, of the files. Also, total numbers of bits in the files are extracted by knowing the lengths of the original bits corresponding to every symbol. A symbol bit length spectrum is also defined.

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First Claim