real part of complex numbers, polynomials, or rationals
y = real(x)
matrix of real or complex numbers (full or sparse storage), or of polynomials or rationals with real or complex coefficients.
matrix of real numbers, polynomials or rationals, with same sizes than x
.
real(x)
components are the real part of related x
components (See %i
to enter complex numbers).
real([1 %i 2]) real(1+0*%i) real(2+3*%i) real(1+%s) real(sprand(3,3,0.1)) // With polynomials: A = [1-%i*%z (%z-%i)^2] real(A) // With rationals: A = [ %z/(1-%z) (1-%z)/%z^2]; B = A(1,[2 1]) C = A + %i*B A, real(C) | ![]() | ![]() |
Version | Description |
6.0 | Extension to rationals |