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+This is matlab implementation of some function
+from python package [Strawberry Fields](https://strawberryfields.ai/)
+
+They are handy for quantum optics mode calculations.
+
+Them most notable functions are
+- williamson: Williamson decomposition
+- bloch_messiah: Bloch Messiah decomposition
+- xpxp_to_xxpp: reordering covariance matrix
+- xxpp_to_xpxp: reordering covariance matrix
+
+There are also supporting functions:
+- takagi: Takagi decomposition
+- polardecomp: polar decomposition
+- sympmat: creates symplectic form matrix
+
+
+The initial conversion was done with Perplexity AI on 2024/11/19, but
+it required a human intervention for some of the code.
+
+