[fdfd.eme] do a better job of enforcing no gain

2026-04-17 22:24:53 -07:00 · 2026-04-17 22:24:53 -07:00 · f3d13e1486
commit f3d13e1486
parent e6756742be
2 changed files with 127 additions and 2 deletions
--- a/meanas/fdfd/eme.py
+++ b/meanas/fdfd/eme.py
@ -81,8 +81,8 @@ def get_s(

    if force_nogain:
        # force S @ S.H diagonal
-        U, sing, V = numpy.linalg.svd(ss)
-        ss = numpy.diag(sing) @ U @ V
+        U, sing, Vh = numpy.linalg.svd(ss)
+        ss = U @ numpy.diag(numpy.minimum(sing, 1.0)) @ Vh

    if force_reciprocal:
        ss = 0.5 * (ss + ss.T)