Henri Padé, but goes back to Georg Frobenius, who introduced the idea and investigated the features of rational approximations of power series. The Padé approximant...

retired in 1934. Media related to Henri Padé at Wikimedia Commons O'Connor, John J.; Robertson, Edmund F., "Henri Padé", MacTutor History of Mathematics Archive...

s\in \mathbb {C} } is complex frequency. This can be approximated using a Padé approximant, as follows: e − s T = e − s T / 2 e s T / 2 ≈ 1 − s T / 2 1...

the desired interval of approximation. Another approximation is given by Sergei Winitzki using his "global Padé approximations":: 2–3  erf ⁡ x ≈ sgn ⁡...

combine a polynomial or rational approximation (such as Chebyshev approximation, best uniform approximation, Padé approximation, and typically for higher or...

pure exponential. Find a one pole approximation to the true frequency response. This is a first-order Padé approximation. There are many extensions to Elmore...

Rational approximation may refer to: Diophantine approximation, the approximation of real numbers by rational numbers Padé approximation, the approximation of...

y1 is a result of simulation of Padé approximation of 2nd order, y2 is a result of simulation of Padé approximation of 4th order and y3 is result of...

the function f, the Padé approximation also has d + 1 coefficients dependent on f and its derivatives. More precisely, in any Padé approximant, the degrees...

needed] Halley's method exactly finds the roots of a linear-over-linear Padé approximation to the function, in contrast to Newton's method or the Secant method...