Probability and Statistics 7th

Probability and Statistics 电子版。 课后习题环环相扣,一步步夯实你对概念的理解，同时包含了完整版的解答让你及时查漏补缺。

Learn Python The Hard Way 3rd Edition

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 The Hard Way Is Easier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Reading and Writing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Attention to Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Spotting Differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Do Not Copy- Paste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 A Note on Practice and Persistence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A Warning for the Smarties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Exercise 0 The Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Mac OSX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 OSX: What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Windows: What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Linux: What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Warnings for Beginners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Exercise 1 A Good First Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Study Drills . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Common Student Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Exercise 2 Comments and Pound Characters . . . . . . . . . . . . . . . . . . . . 18 What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Study Drills . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Common Student Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Exercise 3 Numbers and Math . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 What You Should See . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Study Drills . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Common Student Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Python_Cookbook_3rd_Edition

原版英文PDF 1. Data Structures and Algorithms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1. Unpacking a Sequence into Separate Variables 1 1.2. Unpacking Elements from Iterables of Arbitrary Length 3 1.3. Keeping the Last N Items 5 1.4. Finding the Largest or Smallest N Items 7 1.5. Implementing a Priority Queue 8 1.6. Mapping Keys to Multiple Values in a Dictionary 11 1.7. Keeping Dictionaries in Order 12 1.8. Calculating with Dictionaries 13 1.9. Finding Commonalities in Two Dictionaries 15 1.10. Removing Duplicates from a Sequence while Maintaining Order 17 1.11. Naming a Slice 18 1.12. Determining the Most Frequently Occurring Items in a Sequence 20 1.13. Sorting a List of Dictionaries by a Common Key 21 1.14. Sorting Objects Without Native Comparison Support 23 1.15. Grouping Records Together Based on a Field 24 1.16. Filtering Sequence Elements 26 1.17. Extracting a Subset of a Dictionary 28 1.18. Mapping Names to Sequence Elements 29 1.19. Transforming and Reducing Data at the Same Time 32 1.20. Combining Multiple Mappings into a Single Mapping 33 2. Strings and Text. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 2.1. Splitting Strings on Any of Multiple Delimiters 37 2.2. Matching Text at the Start or End of a String 38 2.3. Matching Strings Using Shell Wildcard Patterns 40 2.4. Matching and Searching for Text Patterns 42

matlab退火算法案例

matlab退火算法案例