Chapter 1
Mathematical Preliminaries
“Mathematics is the backbone of all branches of Sciences and Engineering.”
CHAPTER OBJECTIVES
This chapter discusses
- Coordinate systems
- Vector algebra and calculus
- Series and identities
- Determinants and matrices
- Trigonometry
- Differential and Integral formulae
- Antenna related scalar and vector quantities
- Objective questions and solved problems useful for class tests, final examinations and also for competitive examinations
- Exercise problems to develop self problem solving skills
1.1 FUNDAMENTALS OF SCALARS AND VECTORS
A scalar has magnitude and an algebraic sign.
For example, temperature, mass, charge, work and so on.
A vector has both magnitude and direction.
For example, velocity, force, electric field, ...
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