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# Real Functions in Several Variables: Volume I

### Point sets in Rn

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Langue:  English
The topic of this series of books on "Real Functions in Several Variables" is very important in the description in e.g. Mechanics of the real 3-dimensional world that we live in.
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The topic of this series of books on "Real Functions in Several Variables" is very important in the description in e.g. Mechanics of the real 3-dimensional world that we live in. Therefore, we start from the beginning, modelling this world by using the coordinates of R3 to describe e.b. a motion in space.

The theory and methods of these volumes on "Real Functions in Several Variables" are applied constantly in higher Mathematics, Mechanics and Engineering Sciences. It is of paramount importance for the calculations in Probability Theory, where one constantly integrate over some point set in space.

It is my hope that this text, these guidelines and these examples, of which many are treated in more ways to show that the solutions procedures are not unique, may be of some inspiration for the students who have just started their studies at the universities.

1. Preface
2. Introduction to volume I, Point sets in Rn. The maximal domain of a function
3. Basic concepts
1. Introduction
2. The real linear space Rn
3. The vector product
4. The most commonly used coordinate systems
5. Point sets in space
6. Quadratic equations in two or three variables. Conic sections
4. Some useful procedures
1. Introduction
2. Integration of trigonometric polynomials
3. Complex decomposition of a fraction of two polynomials
4. Integration of a fraction of two polynomials
5. Examples of point sets
1. Point sets
2. Conics and conical sections
6. Formulæ
1. Squares etc
2. Powers etc
3. Differentiation
4. Special derivatives
5. Integration
6. Special antiderivatives
7. Trigonometric formulæ
8. Hyperbolic formulæ
9. Complex transformation formulæ
10. Taylor expansions
11. Magnitudes of functions
7. Index
A propos de l'auteur

Leif Mejlbro