www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@abstractallpass/thisisreal.m
function b = thisisreal(this) %THISISREAL Dispatch and call the method. % Author(s): J. Schickler % Copyright 1988-2005 The MathWorks, Inc. b = isreal(this.AllpassCoefficients); % [EOF]