Solving linear recurrence relations презентация

Содержание

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Generating functions Generating functions provide a powerful tool for solving

Generating functions

Generating functions provide a powerful tool for solving LHRRWCCs, as

will be seen shortly.
They were invented in 1718 by the French mathematician Abraham De Moivre, when he used them to solve the Fibonacci recurrence relation. Generating functions can also solve combinatorial problems.
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Generating functions Abraham De Moivre (1667-1754), son of a surgeon,

Generating functions

Abraham De Moivre (1667-1754), son of a surgeon, was born

in Vitry-le-Francois, France.
His formal education began at the Catholic village school, and then continued at the Protestant Academy at Sedan and later at Saumur.

Abraham De Moivre

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Generating functions He did not receive good training in mathematics

Generating functions

He did not receive good training in mathematics until he

moved to Paris in 1684, where he studied Euclid's later books and other texts.

Abraham De Moivre

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Generating functions Around 1686, De Moivre emigrated to England, where

Generating functions

Around 1686, De Moivre emigrated to England, where he began

his lifelong profession, tutoring in mathematics, and mastered Newton's Principia Mathematica.
In 1695 he presented a paper, his first, on Newton's theory of fluxions to the Royal Society of London and 2 years later he was elected a member of the Society.

Abraham De Moivre

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Generating functions Unfortunately, despite his influential friends, he could not

Generating functions

Unfortunately, despite his influential friends, he could not find an

academic position.
He had to earn a living as a tutor, author, and expert on applications of probability to gambling and annuities.

Abraham De Moivre

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Generating functions He dedicated his first book, a masterpiece, The

Generating functions

He dedicated his first book, a masterpiece, The Doctrine of

Chances, to Newton.
His most notable discovery concerns probability theory: The binomial probability distribution can be approximated by the normal distribution.
De Moivre died in London.

Abraham De Moivre

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

 

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Generating functions

Generating functions

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Generating functions

Generating functions

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Generating functions Can we add and multiply generating functions? Yes!

Generating functions

Can we add and multiply generating functions?
Yes!
Such operations

are performed exactly the same way as polynomials are combined.
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Generating functions

Generating functions

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Generating functions

Generating functions

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Generating functions

Generating functions

 

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Generating functions

Generating functions

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Generating functions

Generating functions

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Generating functions

Generating functions

 

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Example 3

Example 3

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Example 3

Example 3

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Example 3

Example 3

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Generating functions Now we are ready to use partial fraction

Generating functions

Now we are ready to use partial fraction decompositions and

generating functions to solve recurrence relations in the next three examples.
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Example 4

Example 4

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Example 4

Example 4

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1 slide 11

1

slide 11

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Example 5

Example 5

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Example 5 2

Example 5

2

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Example 5

Example 5

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Example 6

Example 6

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Example 6

Example 6

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Example 6

Example 6

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