Algorithms

Get Analysis for Computer Scientists: Foundations, Methods, and PDF

By Alexander Ostermann, Michael Oberguggenberger

ISBN-10: 0857294466

ISBN-13: 9780857294463

Arithmetic and mathematical modelling are of critical significance in machine technology, and consequently it is important that laptop scientists are conscious of the most recent options and techniques.

This concise and easy-to-read textbook/reference provides an algorithmic method of mathematical research, with a spotlight on modelling and at the purposes of research. absolutely integrating mathematical software program into the textual content as a huge element of research, the ebook makes thorough use of examples and causes utilizing MATLAB, Maple, and Java applets. Mathematical idea is defined along the fundamental suggestions and techniques of numerical research, supported by means of laptop experiments and programming workouts, and an in depth use of determine illustrations.

Topics and features:

* completely describes the fundamental suggestions of research, protecting actual and intricate numbers, trigonometry, sequences and sequence, capabilities, derivatives and antiderivatives, certain integrals and double integrals, and curves
* offers summaries and workouts in each one bankruptcy, in addition to laptop experiments
* Discusses vital functions and complex themes, akin to fractals and L-systems, numerical integration, linear regression, and differential equations
* offers instruments from vector and matrix algebra within the appendices, including extra info on continuity
* contains definitions, propositions and examples through the textual content, including an inventory of correct textbooks and references for extra reading
* Supplementary software program will be downloaded from the book’s web site at www.springer.com

This textbook is key for undergraduate scholars in laptop technological know-how. Written to particularly tackle the desires of desktop scientists and researchers, it is going to additionally serve pros seeking to bolster their wisdom in such basics tremendous good.

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Read Online or Download Analysis for Computer Scientists: Foundations, Methods, and Algorithms (Undergraduate Topics in Computer Science) PDF

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Additional info for Analysis for Computer Scientists: Foundations, Methods, and Algorithms (Undergraduate Topics in Computer Science)

Example text

13) n i= i=1 n(n + 1) . 2 Proof: We will justify this equality by induction. Base case: n = 1. Trivial, for 1 = n(n + 1)/2, if n = 1. Induction step: n ≥ 2. Assume the claim is true for n < n. Consider n. n n−1 i=n+ i=1 i. i=1 By the induction hypothesis, then n i=n+ i=1 (n − 1)n , 2 which we can simplify as n+ 2n + n2 − n n2 + n n(n + 1) (n − 1)n = = = . 2 2 2 2 It is useful to think about the concreteness of the inductive technique. It shows that, for any particular n, there is a finite step-by-step sequence of implications that starts with something true and leads to the truth about n.

Info Chapter 1. Algorithm Analysis 18 Ordering Functions by Their Growth Rates Suppose two algorithms solving the same problem are available: an algorithm A, which has a running time of Θ(n), and an algorithm B, which has a running time of Θ(n2 ). Which one is better? The little-oh notation says that n is o(n2 ), which implies that algorithm A is asymptotically better than algorithm B, although for a given (small) value of n, it is possible for algorithm B to have lower running time than algorithm A.

Proof: (x + y) Pr(X = x ∩ Y = y) E(X + Y ) = x y x y x y x Pr(X = x ∩ Y = y) + = y Pr(X = x ∩ Y = y) x y y x x Pr(X = x ∩ Y = y) + = x Pr(X = x) + = x y Pr(Y = y) y = E(X) + E(Y ). info y Pr(Y = y ∩ X = x) Chapter 1. Algorithm Analysis 28 Note that this proof does not depend on any independence assumptions about the events when X and Y take on their respective values. 26: Let X be a random variable that assigns the outcome of the roll of two fair dice to the sum of the number of dots showing. Then E(X) = 7.

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Analysis for Computer Scientists: Foundations, Methods, and Algorithms (Undergraduate Topics in Computer Science) by Alexander Ostermann, Michael Oberguggenberger


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