ctral density matrix, N/2+1-by-R-by-R
       Gyx         Input/output cross-spectral density matrix, N/2+1-by-D-by-R

       N           FFT blocksize
       D           Number of responses, y
       R           Number of references, x

 See also <a href="apcaxy.html" class="code" title="function [CVCyx, VPyyx, VGyx,VC] = apcaxy(Gxx,Gyx,Gyy)">APCAXY</a> <a href="acsdw.html" class="code" title="function [Pyx,f,Nblocks] = acsdw(x,y,fs,N,POverlap);">ACSDW</a> <a href="time2xmtrx.html" class="code" title="funct