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crect(cx), cx a REAL matrix representing complex data

Keywords: time series, complex arithmetic
crect(cx) is the inverse operation to cpolar().  Matrix cx is assumed to
represent the polar form of a fully complex series, with amplitudes or
absolute values in the real part and phases in the imaginary part.  The
result contains the real and imaginary parts of that series in fully
complex form.  See topic 'complex' for discussion of complex matrices in

The phases are assumed to be in units of radians, degrees or cycles
depending on the value of option 'angles'.  See subtopic

See also cpolar(), hpolar(), hrect().

Gary Oehlert 2003-01-15