Millions of smart meters that are able to collect individual load curves, that is, electricity consumption time series, of residential and business customers at fine scale time grids are now deployed ...

Transactions of the American Mathematical Society, Vol. 177 (Mar., 1973), pp. 237-255 (19 pages) The interpolation problem $x^{(n)} + P_{n - 1} x^{(n - 1)} + \cdots ...