entropy

Contents: Description, Arguments, Usage, Examples Supported Under Version: >1.69 Current Davinci Version: 2.27 64-bit Safe: No Description Compute the entropy of an object Arguments and Return Values Arguments: A numeric array Return Value: A float number Usage Syntax: entropy(object = VAL) The entropy() function computes the entropy in an object, as sum(p * log2(p)), where p is the probability of each symbol occuring. This is determined by sorting the values in the object and then counting them. The entropy() function always returns a FLOAT. Examples dv> a 345x200x10 array of float, bsq format [2,760,000 bytes] dv> entropy(a) 18.3510

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