Armoniche sferiche. 1. Yl −m = (−1)mY ∗ lm. (). Y = 1. 2^ 1 π. (). Y1−1. = 1. 4^ 6 πsin θ exp(−iφ). (). Y = 1. 2^ 3 π cosθ. (). Y = −. 1. 4^ 6 π. In questo lavoro si introdurranno i polinomi sferici Pn(Sd), determinando una base ortogonale per tale spazio sulla sfera d-dimensionale Sd. In particolare. × (12 KB), Lithonte79 (talk | contribs), {{Information |Description= Approssimazione con armoniche sferiche |Source=self-made.

Author: Kazshura Vudal
Country: Slovenia
Language: English (Spanish)
Genre: History
Published (Last): 23 November 2012
Pages: 226
PDF File Size: 18.49 Mb
ePub File Size: 15.55 Mb
ISBN: 213-8-61598-643-9
Downloads: 44935
Price: Free* [*Free Regsitration Required]
Uploader: Doucage

Armoniche cilindriche

Others had been destroyed earlier, when his house at Arcueil near Paris was looted by house breakers in In Novemberimmediately after seizing power in the coup of 18 BrumaireNapoleon appointed Laplace to the post of Minister of the Interior. Laplace now set himself the task to write a work armoinche should “offer a complete solution of sfriche great mechanical problem presented by the Solar System, and bring theory to coincide so closely with observation that empirical equations should no longer find a place in astronomical tables.

Allgemeine geographische Ephemeriden herausgegeben von F. However, according to Rouse Ball, the term “potential function” was not actually used to refer to a function V of the coordinates of space in Laplace’s sense until Armonichf Green ‘s An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism. The spherical harmonics turn out to be critical to practical solutions of Laplace’s equation.

It consists of treating the successive values armonicje any function as the coefficients in the expansion of another function, with reference to a different variable. Under the assumption that little or nothing is known a priori about the relative plausibilities of the outcomes, Laplace derived a formula for the probability that the next trial will be a sferichf. De la Place wished to shew that a chain of natural causes would account for the construction and preservation of the wonderful system.

I congratulated him on a work which he had just published and asked him how the name of God, which appeared endlessly in the works of Lagrange, didn’t occur even once in his.


Archived from the original on 8 July Viewed from above the Northern Hemisphere. Mathematics and the Imagination. It armonlche necessary to either explain or delete it, and the second way was the easiest. Minister of the Interior 12 November — 25 December The Waltz of the Planets.

But Laplace, who had discovered them by a deep analysis, would have replied to the First Consul that Newton had wrongly invoked the intervention of God to adjust from time to time the machine of the world la machine du monde and that he, Laplace, had no need of such an assumption.

Further developments of these theorems on planetary armonich were given in his two memoirs of andbut with the aid of Laplace’s discoveries, the tables of the motions of Jupiter and Saturn could at last be made much more accurate. InLaplace formulated a single set of sferichs partial differential equationsfor tidal flow described as a barotropic two-dimensional sheet flow.

In at the age of sixteen Laplace left the “School of the Duke of Orleans” in Beaumont and went to the University of Caenwhere he appears to have studied for five years and was a member of the Sphinx. From —, Laplace atmoniche French chemist Antoine Lavoisier collaborated on several experimental investigations, designing their own equipment for the task.

Archived sferichf the original on 13 January The method of estimating the ratio of the number of favourable cases to the whole number of possible cases had been previously indicated by Laplace in a paper written in Arago that Laplace, warned shortly sfwriche his death that that anecdote was about to be published in a biographical collection, had requested him [Arago] to demand its deletion by the publisher.

A typical version is provided by Rouse Ball: The first Consul then asked a few questions relating to Astronomy and the construction of the heavens to which I made such answers as seemed to give him great satisfaction.


Armoniche cilindriche – Wikipedia

Laplace developed the nebular hypothesis of the formation of the Solar System, first suggested by Emanuel Swedenborg and expanded by Immanuel Kanta hypothesis that continues to dominate accounts of the origin of planetary systems. Xferiche the years — he published some memoirs of exceptional power. These two armohiche seem to have spurred Laplace to complete work toward a treatise on probability he had contemplated as early as Dispensing with the hypothesis of divine intervention would be a major activity of Laplace’s scientific life.

In this work, Laplace completely determined the attraction of a spheroid on a particle outside it. Thus before he was 20 he was in touch with Lagrange in Turin.

Funzione associata di Legendre

Then in a supplement to his paper written after he had seen Gauss’s work, he showed that the central limit theorem provided a Bayesian justification for least squares: Laplace obtained these equations by simplifying the fluid dynamic equations. The problem had been tackled by Leonhard Euler in and Joseph Louis Lagrange in but without success. Laplace went in state to Napoleon to present a copy of his work, and the following account of the interview is well authenticated, and so characteristic of all the parties concerned that I quote it in full.

He showed by general considerations, first, that the mutual action of two planets could never cause large changes in the eccentricities and inclinations of their orbits; but then, even more importantly, that peculiarities arose in the Jupiter—Saturn system because of the near approach to commensurability of the mean motions of Jupiter and Saturn.

After showing that members of this class were approximately normally distributed if the number of observations was large, he argued that least squares provided the sfdriche linear estimators.

It contains a summary of the history of astronomy.