This comment continues the conversation with Gary Yamasaki which began with his post of Mar 14/2013. I recognize the distinction that Yamasaki makes in his Apr 4/2013 post between the ideological plane and the ideological “matrixes” of the implied author and the characters. If one wished to do a thorough analysis of the ideological plane of a work, I suppose one would include the ideological matrix of the implied author and also those of the main characters.
However, at the end of his post Yamasaki raises the issue of “through whose perspective an audience is being led to experience the action.” This, I think, is the ideological perspective of the implied author, which is the perspective of the work as a whole as a complex of interacting parts, dynamically arranged. This ideological perspective is clearer and firmer in some works than in others. It may be chiefly represented by one character or by aspects of several characters. It may challenge the reader to do his or her own thinking, and the reflective reader retains the freedom to agree or disagree with the implied author.