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--- documentation:language_reference:functions:expand [2024/12/31 14:45] – Maurits W. Haverkort
+++ documentation:language_reference:functions:expand [2024/12/31 14:50] (current) – Maurits W. Haverkort
@@ Line 2: / Line 2: @@
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-psiList = Expand(Psi) expands a state  $\Psi$  written as a sum over single Slater determinant states  $\psi_i$  into a list of single Slater determinant states  $\psi_i$ .
+psiList = Expand(Psi) expands a state  $\Psi$  written as a sum over single Slater determinant states  $\psi_i$  into a list of single Slater determinant states  $\psi_i$ . psiList has  $2^{N_F}$  elements.
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-psiList = Expand(Psi,indexlist) expands only the indices included in index list.
+psiList = Expand(Psi,indexlist) expands only the indices included in index list. psiList has  $2^{Len}$  with //len=#indexlist// elements.
 ###