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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def round(self, eps=1e-14, rmax=100000):
 """ Computes an approximation to a TT-matrix in with accuracy EPS """

        c = matrix()
        c.tt = self.tt.round(eps, rmax)
        c.n = self.n.copy()
        c.m = self.m.copy()
        return c