Name: 特别版MATHEMATICA全书
Availability: InStock
Rating: 8.6 (34 reviews)
Author: [美] 斯蒂芬·沃尔夫雷
ISBN: 9787560515441

大师的书，就是把思想讲得这么浅显易懂。没有用过Mathematica，但是为了对比Matlab的不同，买回来重点翻看第一章，明白了符号运算的含义。以后用到会经常翻一翻。

无穷多印刷错误，尤其是模式匹配部分，看这本会死人的。其实直接看 help 文件好了。

StringJoin[{s1,s2,...}]
StringLength[s]
StringReverse[s]

StringTake[s,n] StringTake[s,{n}] StringTake[s,{n1,n2}] StringDrop[s,n] StringDrop[s,{n1,n2}]

StringInsert[s,snew,n] or StringInsert[s,snew,{n1,n2,...}]
StringJoin[a set of string]

StringJoin[Riffle[{"cat", "in", "the", "hat"}, " "]]
"cat in the hat"

StringReplacePart[s,snew,{m,n}]
StringReplacePart[s,snew,{{m1,n1},{m2,n2},...}]
StringReplacePart[s,{snew1,snew2,...},{{m1,n1},{m2,n2}...}]

StringPosition[s,sub]
StringPosition[s,sub,k]
StringPosition[s,{sub1,sub2,...}]

s1~~s2~~ or StringExpression[s1,s2,...]
"ab"~~_
StringReplace["abc abcb abdc", "ab" ~~ _ -> "X"]

StringCases["abc abcb abdc", "ab" ~~ _]
StringCases["abc abcb abdc", "ab" ~~ _]
StringCases["abbcbccaabbabccaa", x_ ~~ x_]
StringReplace[{"ab", "abc", "abcd"}, "b" ~~ _ -> "X"]
StringReplace[{"ab", "abc", "abcd"}, "b" ~~ __ -> "X"]
StringReplace[{"ab", "abc", "abcd"}, "b" ~~ ___ -> "X"]

"string"
_
__
___
x_,x__,x___
x:pattern
pattern..
pattern...
{part1,part2,...} or part1|part2
part/;cond
pattern?text
Whitespace
NumberString
charobj
RegularExpression["regexp"]

Characters
CharacterRange
DigitCharacter
LetterCharacter
WhitespaceCharacter
WordCharacter
Except

StringCases["a6;b23c456", DigitCharacter ..]
StringCases["a1=6.7, b2=8.87",  v : WordCharacter .. ~~ "=" ~~ x : NumberString -> {v, x}]

StartOfString
EndOfString
StartOfLine
EndOfLine
WordBoundary
Except[]

StringReplace["the others", WordBoundary ~~ "the" ~~ WordBoundary -> "XX"]
StringCases["aaabbcaaaabaaa", x_ ~~ y_ /; x != y]

StringCases["-(a)--(bb)--(c)-", Shortest["(" ~~ __ ~~ ")"]]

StringReplace["The cat in the hat.", "the" -> "a", IgnoreCase -> True]

The Mathematica Book

首先，如果你是学计算机出身或者有其他编程语言的编程经验，但是不愿意阅读英文原著，这本书是你最好的入门选择——即便他已经有二十多年的历史了。 要问为什么，这就不得不提到老爷子年纪大了脑力退步，近些年出的基本教材都在介绍一些花里胡哨的东西，并沉迷其中不可自拔。 ...