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文件名称：揭秘系列-离散数学
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更新时间：2017-01-16 15:40:09
解谜 离散数学
揭秘系列，离散数学
In today’s world, analytical thinking is a critical part of any solid education. An important segment of this kind of reasoning—one that cuts across many disciplines—is
discrete mathematics. Discrete math concerns counting, probability, (sophisticated
forms of) addition, and limit processes over discrete sets. Combinatorics, graph
theory, the idea of function, recurrence relations, permutations, and set theory are
all part of discrete math. Sequences and series are among the most important applications of these ideas.
Discrete mathematics is an essential part of the foundations of (theoretical)
computer science, statistics, probability theory, and algebra. The ideas come up
repeatedly in different parts of calculus. Many would argue that discrete math is
the most important component of all modern mathematical thought.
Most basic math courses (at the freshman and sophomore level) are oriented
toward problem-solving. Students can rely heavily on the provided examples as a
crutch to learn the basic techniques and pass the exams. Discrete mathematics is, by
contrast, rather theoretical. It involves proofs and ideas and abstraction. Freshman
and sophomores in college these days have little experience with theory or with
abstract thinking. They simply are not intellectually prepared for such material.
Steven G. Krantz is an award-winning teacher, author of the bookHow to Teach
Mathematics. He knows how to present mathematical ideas in a concrete fashion
that students can absorb and master in a comfortable fashion. He can explain even
abstract concepts in a hands-on fashion, making the learning process natural and
fluid. Examples can be made tactile and real, thus helping students to finesse abstract
technicalities. This book will serve as an ideal supplement to any standard text. It
will help students over the traditional “hump” that the first theoretical math course
constitutes. It will make the course palatable. Krantz has already authored two
successfulDemystifiedbooks.
The good news is that discrete math, particularly sequences and series,can
be illustrated with concrete examples from the real world. Theycanbe made to
be realistic and approachable. Thus the rather difficult set of ideas can be made
accessible to a broad audience of students. For today’s audience—consistin