Commit 04a55c92 authored by Matthieu Tristram's avatar Matthieu Tristram
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parent 51676738
......@@ -145,6 +145,7 @@ def CrossWindowFunction(El, Pl):
Compute mode-mixing matrix (Tegmark's window matrix)
Wll = Trace[invCAA.Pl.invCBB.Pl] = Trace[El.Pl]
Use the trick with matrices: Trace[A.B] = sum(A x B) (where . is the matrix product and x the elementwise mult)
......@@ -169,7 +170,7 @@ def CrossWindowFunction(El, Pl):
nl = len(El)
# pas de transpose car symm
# No transpose because E symm
Wll = np.asarray( [np.sum(E * P) for E in El for P in Pl] ).reshape(nl,nl)
return Wll
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