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15 Engineering Programming Examples

In the preceding chapters we have presented the major features of the C language for declaring and accessing data, and controlling program execution flow including both the syntax required by the language and the semantics of the statements. We have also discussed ``good'' programming style and organization emphasizing the top down design process. In this chapter we make use of these features and techniques to develop several programs for commonly used operations in engineering and scientific computing.

We begin with with operations on matrices, including transforms and sums and products. We next discuss complex numbers together with their representation as a user defined data type and their uses. A program to find solutions to systems of linear algebraic equations is presented next using our complex number functions, followed by another common applications of complex number: the analysis of electrical circuits. We conclude the chapter with a program for numeric integration of arbitrary algebraic functions.

• 15.1 Matrices
  • 15.1.1 Matrix Operations: Transforms
  • 15.1.2 Matrix Operations: Sums and Products
• 15.2 Complex Numbers
  • 15.2.1 Complex Numbers and Vectors
  • 15.2.2 Roots of Algebraic Equations
  • 15.2.3 Impedance of Electrical Circuits
• 15.3 Integrals
• 15.4 Summary
• References:
• 15.5 Problems