Method on @sym: imag (z) ¶

Imaginary part of a symbolic expression.

Examples:

syms z
imag(z)
  ⇒ ans = (sym) im(z)

syms x real
imag(x)
  ⇒ ans = (sym) 0
imag(1i*x)
  ⇒ ans = (sym) x

imag([x  sym(pi) + 6i  7  3i])
  ⇒ ans = (sym) [0  6  0  3]  (1×4 matrix)

See also: @sym/real, @sym/conj, @sym/ctranspose.

Package: symbolic