By Yue Zhang

This publication introduces Python programming language and primary techniques in algorithms and computing. Its target market comprises scholars and engineers with very little historical past in programming, who have to grasp a pragmatic programming language and examine the elemental pondering in laptop science/programming. the most contents come from lecture notes for engineering scholars from all disciplines. This booklet introduces the underlying Python implementation of quantity, string, record, tuple, dict, functionality, category, example and module gadgets in a constant and easy-to-understand manner, making task, functionality definition, functionality name, mutability and binding environments comprehensible inside-out. via giving the abstraction of implementation mechanisms, this e-book builds a superior realizing of the Python programming language.

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Extra info for An Introduction to Python and Computer Programming

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Also, Mathematica has a function called Transpose for transposition of a matrix. 3 SOLUTION OF MATRIX EQUATION Matrix notation offers the convenience of organizing mathematical expression in an orderly manner and in a form which can be directly followed in coding it into programming languages, particularly in the case of repetitive computation involving the looping process. The most notable situation is in the case of solving a system of linear algebraic equation. For example, if we need to determine a linear equation y = a1 + a2x which geometrically represents a straight line and it is required to pass through two specified points (x1,y1) and (x2,y2).

To load MATLAB after it has been set-up and stored in a subdirectory of a hard drive, say C, we first switch to this subdirectory by entering (followed by pressing ENTER) C:\cd MATLAB and then switch to its own subdirectory BIN by entering (followed by pressing ENTER) C:\MATLAB>cd BIN Next, we type MATLAB to obtain a display of: C:\MATLAB>BIB>MATLAB Pressing the ENTER key results in a display of: >> which indicates MATLAB is ready to begin. Let us rerun the cases of matrix subtraction, addition, transposition, and multiplication previously considered in the FORTRAN and QuickBASIC versions.

9. 001% of the partial sum of series in magnitude: Sin x = x1 x3 x 5 − + −… 1! 3! 5! Notice that Sin(x) is an odd function so the series contains only terms of odd powers of x and the series carries alternating signs. Compare the result of the program SinePgrm with those obtained by application of the library function Sin available in FORTRAN and QuickBASIC. 10. Same as Problem 9, but for the cosine series: Cos x = 1 − x2 x 4 x6 + − +… 2! 4! 6! Notice that Cos(x) is an even function so the series contains only terms of even powers of x and the series also carries alternating signs.

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