matrix of real numbers, polynomials or rationals,
with same sizes than x.
説明
imag(x)は,
xの虚部です. ( 複素数を入力するには%iを参照ください).
例
c=[2%i,1+0*%i,2-3*%ilog(-1)(-1)^(1/3)]imag(c)s=sprand(3,3,0.3)+sprand(3,3,0.3)*%iimag(s)// Polynomials with complex coeficients:A=[1-%i*%z(%z-%i)^2]imag(A)// Rationals with complex coeficients:A=[%z/(1-%z)(1-%z)/%z^2];B=A(1,[21]);C=A+%i*BB,imag(C)