creal(cx), cx a REAL matrix representing complex data |

creal(cx) computes the real part of the fully complex matrix cx. For example, creal(matrix(run(10),5)) is vector(1,2,3,4,5). When cx has an odd number, say 2*m-1, of columns, the last column is interpreted as the real part of a complex series with zero imaginary part and the result has m columns. See also hconj(), cconj(), hreal(), himag(), cimag(). See topic 'complex' for discussion of complex matrices in MacAnova.

Gary Oehlert 2003-01-15