└── train


/train:
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 1 | from linnea.algebra.expression import Matrix, Vector, Equal, Times, Inverse, Transpose
 2 | from linnea.algebra.equations import Equations
 3 | from linnea.algebra.properties import Property
 4 | 
 5 | n = 1500
 6 | m = 1000
 7 | 
 8 | X = Matrix("X", (n, m))
 9 | X.set_property(Property.FULL_RANK)
10 | y = Vector("y", (n, 1))
11 | b = Vector("b", (m, 1))
12 | 
13 | # b = (X^T X)^-1 X^T y
14 | equations = Equations(Equal(b, Times(Inverse(Times(Transpose(X), X)), Transpose(X), y)))
15 | 


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