Reference to non-existent field ‘affine’

G=[0 i; -i 0]

G =

0.0000 + 0.0000i 0.0000 + 1.0000i
0.0000 - 1.0000i 0.0000 + 0.0000i

H1=[1 0; 0 -1]

H1 =

 1     0
 0    -1

H2= [0 1; 1 0]

H2 =

 0     1
 1     0

cvx_begin
variable u;
variable v;
minimize(lambda_max(G+uH1+vH2))
Reference to non-existent field ‘affine’.

Error in cvx_matrix_op (line 172)
func = p.affine;

Error in lambda_max (line 24)
y = cvx_matrix_op( params, varargin );

Perhaps there is an installation error. Try a clean reinstall of CVX. If you are using CVX 3.0beta, use CVX 2.1 instead.