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Joseph Louis Lagrange

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Interesting Facts: Some interesting facts about Joseph Louis Lagrange are: Lagrange had worked for Fredrick II of Berlin for 20 years. In his appearance, ... – PowerPoint PPT presentation

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Title: Joseph Louis Lagrange


1
  • Joseph Louis Lagrange

By Daniel Tovbin and Wenjun Ouyang of 701
2
Life of Joseph Louis Lagrange
  • Joseph Louis Lagrange was born on January 25,
    1736 in Turin, Sardinia.
  • Lagrange died on April 10, 1813 in Paris, France.
    He was 77 years old when he died.
  • He was influenced by the work of a Halleys
    1693s work on the use of algebra and optics.
  • Lagrange was 1 of 11 children.
  • He was married to Renée-Françoise-Adélaide Le
    Monnie.

3
Education and Career
  • Joseph Louis Lagrange was educated at the college
    of Turin.
  • He was then offered to work in the Berlin
    Academy.
  • He was a founding member of the Royal Academy of
    Science of Turin.

4
Accomplishments
  • What was Joseph Louis Lagrange famous for?
  • Lagrange was one of the creators of the calculus
    of variations, which is a field of mathematics
    that deals with a functional.
  • He also invented the method of solving
    differential equations.
  • He proved that every natural number is the sum of
    four squares, which is now known as Lagranges
    four square theorem.

5
More Accomplishments
  • Lagrange solved the resulting system of the n1
    differential equations.
  • He applied his methods to the study of Jupiters
    and Saturns orbit.
  • He also reduced the equations of the quadrics
    into their canonical forms.

6
Awards and Prizes
  • Lagrange was awarded the Grand Croix Ordre
    Imperial de la Reunion.
  • He was awarded the 1764 prize of the French
    Academy of Sciences for his memoir on the
    libration of the Moon.
  • He won the 1772 prize on the three body problem
    with Euler.
  • He had won the 1774 prize for finding about the
    motion of the moon.
  • He also had won the 1780 prize on perturbations
    of the orbits of comets by the planets.

7
Interesting Facts
  • Some interesting facts about Joseph Louis
    Lagrange are
  • Lagrange had worked for Fredrick II of Berlin for
    20 years.
  • In his appearance, Lagrange was medium height
    with pale blue eyes and a colorless complexion.
    In character, he was nervous and timid, he
    detested controversy, and he allowed others to
    take credit for things he has done himself.

8
More Interesting Facts
  • In 1810, Joseph Louis Lagrange was only able to
    complete two-thirds of the Méchanique analytique
    before his death.
  • Lagrange published 2 volumes of his calculus
    lectures.
  • Lagranges nervous system was put on too much
    pressure and the doctors said that they would not
    be responsible for certain illnesses. They
    recommended for him to rest. In 1813, he died in
    Paris, France.

9
Picture of the mathematician
  • Joseph Louis Lagrange

10
Pictures of Inventions
3 12 12 12 02 31 52 22 12 12
310 172 42 22 12.
                            
An example of the four square theorem.
Calculus Of Variations Equation
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