Blitz BZX2 manuales

Blitz BZX2 Guía de usuario (111 paginas)

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NumPy User Guide

1

CONTENTS

3

2 CONTENTS

6

INTRODUCTION

7

1.2.1 Binary installers

8

1.2.2 Building from source

9

1.3 How to ﬁnd documentation

11

8 Chapter 1. Introduction

12

NUMPY BASICS

13

2.2 Array creation

15

2.3 I/O with Numpy

17

2.4 Indexing

24

2.4.2 Single element indexing

25

2.4.3 Other indexing options

25

2.4.4 Index arrays

26

2.5 Broadcasting

30

Here are some more examples:

32

28 Chapter 2. Numpy basics

32

2.6 Byte-swapping

33

2.6.2 Changing byte ordering

34

2.8 Subclassing ndarray

39

>>> v2.base is v1

47

44 Chapter 2. Numpy basics

48

PERFORMANCE

49

46 Chapter 3. Performance

50

MISCELLANEOUS

51

4.3 Examples

52

4.4 Interfacing to C

52

4.5 Interfacing to Fortran:

54

4.6 Interfacing to C++:

54

4.7 Methods vs. Functions

55

52 Chapter 4. Miscellaneous

56

USING NUMPY C-API

57

5.1.3 Deﬁning functions

58

5.2 Using Python as glue

64

5.2.2 Hand-generated wrappers

66

5.2.3 f2py

66

5.2.4 weave

70

5.2.5 Pyrex

73

5.2.6 ctypes

76

LIBRARY mylib.dll

77

5.3 Writing your own ufunc

84

5.4 Beyond the Basics

102

5.4.2 User-deﬁned data-types

105

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