EDIT: I filed a support ticket for it. This post should be deleted.
The following problem:
cvx_begin variable x variable y maximize sum(x + y) x <= 1 y <= 1 cvx_end
is met with an error
Error using <=
Matrix dimensions must agree.
Error in cvx_extract (line 377)
rx = rx(dx<=abs(c_slack(cx)));
Error in cvx_solve (line 26)
[ At, cones, sgn, Q, P, exps, dualized ] = cvx_extract( shim.config, shim.name );
Error in cvx_finish
Error in cvx_end (line 11)
evalin( ‘caller’, ‘cvx_finish’ );