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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 rezero(self):
 """ Translate so that every vertex is positive in the current mesh is positive. Returns matrix : (dimension + 1, dimension + 1) float Homogenous transformation that was applied to the current Path object. """

        dimension = self.vertices.shape[1]
        matrix = np.eye(dimension + 1)
        matrix[:dimension, dimension] = -self.vertices.min(axis=0)
        self.apply_transform(matrix)
        return matrix