NumPy Cookbook -- Table of Contents -- NumPy Cookbook -- Credits -- About the Author -- About the Reviewers -- www.PacktPub.com -- Support files, eBooks, discount offers and more -- Why Subscribe? -- Free Access for Packt account holders -- Preface -- What this book covers -- What you need for this book -- Who this book is for -- Conventions -- Reader feedback -- Customer support -- Downloading the example code -- Errata -- Piracy -- Questions -- 1. Winding Along with IPython -- Introduction -- Installing IPython -- How to do it... -- How it works... -- Using IPython as a shell -- How to do it... -- How it works... -- Reading manual pages -- How to do it... -- How it works... -- Installing Matplotlib -- How to do it... -- Running a web notebook -- Getting ready -- How to do it... -- How it works... -- See also -- Exporting a web notebook -- How to do it... -- Importing a web notebook -- How to do it... -- Configuring a notebook server -- How to do it... -- How it works... -- Exploring the SymPy profile -- Getting ready -- How to do it... -- 2. Advanced Indexing and Array Concepts -- Introduction -- Installing SciPy -- Getting ready -- How to do it... -- How it works... -- Installing PIL -- How to do it... -- Resizing images -- Getting ready -- How to do it... -- How it works... -- See also -- Creating views and copies -- Getting ready -- How to do it... -- How it works... -- Flipping Lena -- How to do it... -- See also -- Fancy indexing -- How to do it... -- How it works... -- Indexing with a list of locations -- How to do it... -- Indexing with booleans -- How to do it... -- How it works... -- See also -- Stride tricks for Sudoku -- How to do it... -- How it works... -- Broadcasting arrays -- How to do it... -- 3. Get to Grips with Commonly Used Functions -- Introduction -- Summing Fibonacci numbers -- How to do it... -- How it works...

See also -- Finding prime factors -- How to do it... -- How it works... -- Finding palindromic numbers -- How to do it... -- How it works... -- There's more... -- The steady state vector determination -- How to do it... -- How it works... -- See also -- Discovering a power law -- How to do it... -- How it works... -- See also -- Trading periodically on dips -- Getting ready -- How to do it... -- How it works... -- See also -- Simulating trading at random -- Getting ready -- How to do it... -- How it works... -- See also -- Sieving integers with the Sieve of Erasthothenes -- How to do it... -- 4. Connecting NumPy with the Rest of the World -- Introduction -- Using the buffer protocol -- Getting ready -- How to do it... -- How it works... -- See also -- Using the array interface -- Getting ready -- How to do it... -- How it works... -- See also -- Exchanging data with MATLAB and Octave -- Getting ready -- How to do it... -- See also -- Installing RPy2 -- How to do it... -- Interfacing with R -- Getting ready -- How to do it... -- See also -- Installing JPype -- How to do it... -- Sending a NumPy array to JPype -- How to do it... -- How it works... -- See also -- Installing Google App Engine -- How to do it... -- Deploying NumPy code in the Google cloud -- How to do it... -- How it works... -- Running NumPy code in a Python Anywhere web console -- How to do it... -- How it works... -- Setting up PiCloud -- How to do it... -- How it works... -- 5. Audio and Image Processing -- Introduction -- Loading images into memory map -- Getting ready -- How to do it... -- How it works... -- See also -- Combining images -- Getting ready -- How to do it... -- How it works... -- See also -- Blurring images -- How to do it... -- How it works... -- Repeating audio fragments -- How to do it... -- How it works... -- Generating sounds -- How to do it... -- How it works...

Designing an audio filter -- How to do it... -- How it works... -- Edge detection with the Sobel filter -- How to do it... -- How it works... -- 6. Special Arrays and Universal Functions -- Introduction -- Creating a universal function -- How to do it... -- How it works... -- Finding Pythagorean triples -- How to do it... -- How it works... -- Performing string operations with chararray -- How to do it... -- How it works... -- Creating a masked array -- How to do it... -- How it works... -- Ignoring negative and extreme values -- How to do it... -- How it works... -- Creating a scores table with recarray -- How to do it... -- How it works... -- 7. Profiling and Debugging -- Introduction -- Profiling with timeit -- How to do it... -- How it works... -- Profiling with IPython -- How to do it... -- How it works... -- Installing line_profiler -- Getting ready -- How to do it... -- See also -- Profiling code with line_profiler -- How to do it... -- How it works... -- Profiling code with the cProfile extension -- How to do it... -- Debugging with IPython -- How to do it... -- How to do it... -- Debugging with pudb -- How to do it... -- 8. Quality Assurance -- Introduction -- Installing Pyflakes -- Getting ready -- How to do it... -- Performing static analysis with Pyflakes -- How to do it... -- How it works... -- Analyzing code with Pylint -- Getting ready -- How to do it... -- How it works... -- See also -- Performing static analysis with Pychecker -- How to do it... -- Testing code with docstrings -- How to do it... -- How it works... -- Writing unit tests -- How to do it... -- How it works... -- Testing code with mocks -- How to do it... -- How it works... -- Testing the BDD way -- How to do it… -- How it works... -- 9. Speed Up Code with Cython -- Introduction -- Installing Cython -- How to do it... -- Building a Hello World program -- How to do it...

How it works... -- Using Cython with NumPy -- How to do it... -- How it works... -- Calling C functions -- How to do it... -- How it works... -- Profiling Cython code -- How to do it... -- How it works... -- Approximating factorials with Cython -- How to do it... -- How it works... -- 10. Fun with Scikits -- Introduction -- Installing scikits-learn -- Getting ready -- How to do it... -- Loading an example dataset -- How to do it... -- Clustering Dow Jones stocks with scikits-learn -- How to do it... -- How it works... -- Installing scikits-statsmodels -- How to do it... -- Performing a normality test with scikits-statsmodels -- How to do it... -- How it works... -- Installing scikits-image -- How to do it... -- Detecting corners -- Getting ready -- How to do it... -- How it works... -- Detecting edges -- How to do it... -- Installing Pandas -- How to do it... -- Estimating stock returns correlation with Pandas -- How to do it... -- How it works... -- Loading data as pandas objects from statsmodels -- Getting ready -- How to do it... -- How it works... -- Resampling time series data -- How to do it... -- How it works... -- Index.