SPLINE INTERPOLATOR Russian patent published in 1999 - IPC

FIELD: automation and computer engineering. SUBSTANCE: device has memory units 1, 5, and 8, counter 2, control unit 3, multipliers 6, 10, 11, 12, 13, 14 and 15, fast Fourier transform unit 4, fast reverse Fourier transform unit 7, spline parameters generation unit 9, adder 16, register 17. Goal of invention is achieved by means of use of a priori information about function smoothness and taking into account complete array of function samples. EFFECT: increased precision of interpolation for functions with continuous seventh derivative. 2 cl, 7 dwg