realPart -- real part

Synopsis

• Usage:

  realPart z

• Inputs:
  • z, an integer, rational, real or complex number
• Outputs:
  • the real part of the complex number z.

Description

i1 : realPart(3/4)

     3
o1 = -
     4

o1 : QQ

i2 : realPart(1.5+2*ii)

o2 = 1.5

o2 : RR (of precision 53)

See also

• CC -- the class of all complex numbers