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Functions

• sin, cos, tan
• abs
• log
• pow, sqrt, sum
• fft, fft2, ifft, ifft2
• avg, variance, std
• logical and, or, not
• l0, l1, l2 norm
• real, imag, conj
• diag

(fft's, logical, norms, diag and complex have yet to be implemented -- 2014-6-11)

But if you have a function that operates on a single element, you can call apply_function(single_element_function, array).

Operators

+-*/ all work element-wise. That is, zeros(3)+4 = [4,4,4]. Note that * is not a dot product operator. ones((4,4)) * ones((4,4)) == ones((4,4)). This is playing off Python's example.

@ is the dot product operator. I have yet to implement it.