5f64204ab895dee4c4a706879f89d714237a5057,geomstats/minkowski_space.py,MinkowskiMetric,inner_product_matrix,#MinkowskiMetric#Any#,54

Before Change

        Inner product matrix, independent of the base point.
        
        inner_prod_mat = gs.eye(self.dimension)
        inner_prod_mat[0, 0] = -1
        return inner_prod_mat

    def exp(self, tangent_vec, base_point):

After Change

        Inner product matrix, independent of the base point.
        
        inner_prod_mat = gs.eye(self.dimension-1, self.dimension-1)
        first_row = gs.array([0.] * (self.dimension - 1))
        first_row = gs.to_ndarray(first_row, to_ndim=2, axis=1)
        inner_prod_mat = gs.vstack([gs.transpose(first_row),
                                    inner_prod_mat])
        
        first_column = gs.array([-1.] + [0.] * (self.dimension - 1))
        first_column = gs.to_ndarray(first_column, to_ndim=2, axis=1)
        inner_prod_mat = gs.hstack([first_column,
                                    inner_prod_mat])
                                    
        
        return inner_prod_mat

Instances