5 résultats
176946556(Berlin, Haude et Spener, 1769). 4to. Without wrappers as issued in ""Mémoires de l'Academie Royale des Sciences et Belles-Lettres"", Année 1767, Tome XXXIII, pp. 311-352.
176946556Berlin Haude et Spener 1769. 4to. Without wrappers as issued in "Mémoires de l'Academie Royale des Sciences et Belles-Lettres" Année 1767 Tome XXXIII pp. 311-352. <br/><br/><em>First edition of a monumental paper in the theory of equations by "one of the greatest mathematicians of all times" Cajori. In this memoir which deals with the solutiuon of numerical equations Lagrange examines the roots of algebraic equations and provides methods of separating the real and imaginary roots and of approximating the real roots with continued fractions.Parkinson "Breakthroughs" 1767 P. </em> unknown
177644968(Paris, Imprimerie Royale, 1776). 4to. Extracts from ""Mémoires de Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans"", Année 1773. Pp. 305-327. Clean and fine.
177644968Paris Imprimerie Royale 1776. 4to. Extracts from "Mémoires de Mathematique et de Physique Présentés à l'Academie des Sciences par divers Savans" Année 1773. Pp. 305-327. Clean and fine. <br/><br/><em>First printing of Monge's second paper on the theory of partial differential equations.In this memoir Monge continued his investigations in "a field of study that was to hold his interest for many years: the theory of partial differential equations. In particular he undertook the parallel examination of certain equations of this type and of the families of corresponding surfaces. The geometric construction of a particular solution of the equations under consideration allowed him to determine the general nature of the arbitrary function involved in the solutions of a partial differential equation. Moreover this finding enabled him to take a position on a question then being disputed by d Alembert Euler and Daniel Bernoulli."DSB. </em> unknown
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