Pasted

box% octave                
GNU Octave, version 5.2.0
Copyright (C) 2020 John W. Eaton and others.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type 'warranty'.
 Octave was configured for "x86_64-pc-linux-gnu".
 Additional information about Octave is available at https://www.octave.org.
 Please contribute if you find this software useful.
For more information, visit https://www.octave.org/get-involved.html
 Read https://www.octave.org/bugs.html to learn how to submit bug reports.
For information about changes from previous versions, type 'news'.
 octave:1> a=exp(1j*2*pi*[0:0.01:1]);
octave:2> b=1./a;
octave:3> svd([real(a);imag(a);real(b);imag(b)])
ans =
    1.0100e+01
   1.0000e+01
   2.6515e-15
   7.6618e-16
 octave:4> [a1,a2]=meshgrid(a,a);
octave:5> b = 1./(a1.*a2);
octave:6> a1_=reshape(a1,1,101^2);
octave:7> a2_=reshape(a2,1,101^2);
octave:8> b_=reshape(b,1,101^2);
octave:9> svd([real(a1_);imag(a1_);real(a2_);imag(a2_);real(b_);imag(b_)])
ans =
    72.132
   71.764
   71.764
   71.063
   71.063
   70.711
 octave:10>