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Fix README example
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README.md
CHANGED
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@@ -246,7 +246,7 @@ model = PySRRegressor(
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# "SymbolicRegression.jl" repo, for custom modifications.
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update=False,
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# ^ Don't update Julia packages
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extra_sympy_mappings={"cos2": lambda x: sympy.cos(x)
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extra_torch_mappings={sympy.cos: torch.cos},
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# ^ Not needed as cos already defined, but this
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# is how you define custom torch operators.
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# "SymbolicRegression.jl" repo, for custom modifications.
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update=False,
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# ^ Don't update Julia packages
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extra_sympy_mappings={"cos2": lambda x: sympy.cos(x)**2},
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extra_torch_mappings={sympy.cos: torch.cos},
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# ^ Not needed as cos already defined, but this
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# is how you define custom torch operators.
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