Szczegóły ebooka

Sage Beginner's Guide. Unlock the full potential of Sage for simplifying and automating mathematical computing with this book and

Sage Beginner's Guide. Unlock the full potential of Sage for simplifying and automating mathematical computing with this book and

Craig Finch

Ebook
  • SageBeginners Guide
    • Table of Contents
    • Sage Beginner's Guide
    • 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
      • Time for action heading
        • What just happened?
        • Pop quiz heading
        • Have a go hero heading
      • Reader feedback
      • Customer support
        • Downloading the example code
        • Errata
        • Piracy
        • Questions
    • 1. What Can You Do with Sage?
      • Getting started
      • Using Sage as a powerful calculator
        • Symbolic mathematics
        • Have a go hero
        • Linear algebra
        • Solving an ordinary differential equation
      • More advanced graphics
        • Visualising a three-dimensional surface
        • Typesetting mathematical expressions
      • A practical example: analysing experimental data
      • Time for action fitting the standard curve
        • What just happened?
      • Time for action plotting experimental data
        • What just happened?
      • Time for action fitting a growth model
        • What just happened?
      • Summary
    • 2. Installing Sage
      • Before you begin
      • Installing a binary version of Sage on Windows
        • Downloading VMware Player
        • Installing VMWare Player
        • Downloading and extracting Sage
        • Launching the virtual machine
        • Start Sage
      • Installing a binary version of Sage on OS X
        • Downloading Sage
        • Installing Sage
        • Starting Sage
      • Installing a binary version of Sage on GNU/Linux
        • Downloading and decompressing Sage
        • Running Sage from your user account
        • Installing for multiple users
      • Building Sage from source
        • Prerequisites
        • Downloading and decompressing source tarball
        • Building Sage
        • Installation
      • Summary
    • 3. Getting Started with Sage
      • How to get help with Sage
      • Starting Sage from the command line
      • Using the interactive shell
      • Time for action doing calculations on the command line
        • What just happened?
        • Getting help
        • Command history
        • Tab completion
        • Interactively tracing execution
      • Using the notebook interface
        • Starting the notebook interface
      • Time for action doing calculations with the notebook interface
        • What just happened?
        • Getting help in the notebook interface
        • Working with cells
        • Working with code
        • Closing the notebook interface
        • Have a go hero using the notebook interface
      • Displaying results of calculations
      • Operators and variables
        • Arithmetic operators
        • Pop quiz working with operators
        • Numerical types
          • Integers and rational numbers
          • Real numbers
          • Complex numbers
          • Symbolic expressions
          • Defining variables on rings
          • Combining types in expressions
        • Pop quiz understanding types
        • Strings
      • Time for action using strings
        • What just happened?
      • Callable symbolic expressions
      • Time for action defining callable symbolic expressions
        • What just happened?
        • Automatically typesetting expressions
      • Functions
      • Time for action calling functions
        • What just happened?
        • Have a go hero make some more plots
        • Built-in functions
          • Numerical approximations
          • The reset and restore functions
        • Defining your own functions
      • Time for action defining and using your own functions
        • What just happened?
        • Functions with keyword arguments
      • Time for action defining a function with keyword arguments
        • What just happened?
      • Objects
      • Time for action working with objects
        • What just happened?
        • Getting help with objects
      • Summary
    • 4. Introducing Python and Sage
      • Python 2 and Python 3
      • Writing code for Sage
        • Long lines of code
        • Running scripts
      • Sequence types: lists, tuples, and strings
      • Time for action creating lists
        • What just happened?
        • Getting and setting items in lists
      • Time for action accessing items in a list
        • What just happened?
        • Pop quiz lists and indexing
        • List functions and methods
        • Tuples: read-only lists
      • Time for action returning multiple values from a function
        • What just happened?
        • Strings
      • Time for action working with strings
        • What just happened?
        • Other sequence types
      • For loops
      • Time for action iterating over lists
        • What just happened?
      • Time for action computing a solution to the diffusion equation
        • What just happened?
        • Pop quiz lists and for loops
        • Have a go hero adding another for loop
        • List comprehensions
      • Time for action using a list comprehension
        • What just happened?
      • While loops and text file I/O
      • Time for action saving data in a text file
        • What just happened?
      • Time for action reading data from a text file
        • What just happened?
        • While loops
        • Parsing strings and extracting data
        • Alternative approach to reading from a text file
        • Have a go hero define a function for reading the text file
        • Have a go hero replace a for loop with a while loop
      • If statements and conditional expressions
      • Storing data in a dictionary
      • Time for action defining and accessing dictionaries
        • What just happened?
      • Lambda forms
      • Time for action using lambda to create an anonymous function
        • What just happened?
      • Summary
    • 5. Vectors, Matrices, and Linear Algebra
      • Vectors and vector spaces
      • Time for action working with vectors
        • What just happened?
        • Creating a vector space
        • Creating and manipulating vectors
      • Time for action manipulating elements of vectors
        • What just happened?
        • Vector operators and methods
      • Matrices and matrix spaces
      • Time for action solving a system of linear equations
        • What just happened?
        • Creating matrices and matrix spaces
        • Accessing and manipulating matrices
      • Time for action accessing elements and parts of a matrix
        • What just happened?
        • Manipulating matrices
      • Time for action manipulating matrices
        • What just happened?
        • Pop quiz manipulating matrices
        • Matrix algebra
      • Time for action matrix algebra
        • What just happened?
        • Other matrix methods
      • Time for action trying other matrix methods
        • What just happened?
        • Eigenvalues and eigenvectors
      • Time for action computing eigenvalues and eigenvectors
        • What just happened?
        • Have a go hero verifying the eigenvalues and eigenvectors
        • Decomposing matrices
      • Time for action computing the QR factorization
        • What just happened?
      • Time for action computing the singular value decomposition
        • What just happened?
      • An introduction to NumPy
      • Time for action creating NumPy arrays
        • What just happened?
        • Creating NumPy arrays
        • NumPy types
        • Indexing and selection with NumPy arrays
      • Time for action working with NumPy arrays
        • What just happened?
        • Have a go hero replacing lists with NumPy arrays
        • NumPy matrices
      • Time for action creating matrices in NumPy
        • What just happened?
        • Learning more about NumPy
      • Summary
    • 6. Plotting with Sage
      • Confusion alert: Sage plots and matplotlib
      • Plotting in two dimensions
        • Plotting symbolic expressions with Sage
      • Time for action plotting symbolic expressions
        • What just happened?
      • Time for action plotting a function with a pole
        • What just happened?
      • Time for action plotting a parametric function
        • What just happened?
      • Time for action making a polar plot
        • What just happened?
      • Time for action plotting a vector field
        • What just happened?
        • Plotting data in Sage
      • Time for action making a scatter plot
        • What just happened?
      • Time for action plotting a list
        • What just happened?
        • Using graphics primitives
      • Time for action plotting with graphics primitives
        • What just happened?
      • Using matplotlib
      • Time for action plotting functions with matplotlib
        • What just happened?
        • Using matplotlib to "tweak" a Sage plot
      • Time for action getting the matplotlib figure object
        • What just happened?
      • Time for action improving polar plots
        • What just happened?
        • Plotting data with matplotlib
      • Time for action making a bar chart
        • What just happened?
      • Time for action making a pie chart
        • What just happened?
      • Time for action plotting a histogram
        • What just happened?
      • Plotting in three dimensions
      • Time for action make an interactive 3D plot
        • What just happened?
        • Higher quality output
        • Parametric 3D plotting
      • Time for action parametric plots in 3D
        • What just happened?
        • Contour plots
      • Time for action making some contour plots
        • What just happened?
      • Summary
    • 7. Making Symbolic Mathematics Easy
      • Using the notebook interface
      • Defining symbolic expressions
      • Time for action defining callable symbolic expressions
        • What just happened?
        • Relational expressions
      • Time for action defining relational expressions
        • What just happened?
      • Time for action relational expressions with assumptions
        • What just happened?
      • Manipulating expressions
      • Time for action manipulating expressions
        • What just happened?
        • Manipulating rational functions
      • Time for action working with rational functions
        • What just happened?
        • Substitutions
      • Time for action substituting symbols in expressions
        • What just happened?
        • Expanding and factoring polynomials
      • Time for action expanding and factoring polynomials
        • What just happened?
        • Manipulating trigonometric expressions
      • Time for action manipulating trigonometric expressions
        • What just happened?
        • Logarithms, rational functions, and radicals
      • Time for action simplifying expressions
        • What just happened?
      • Solving equations and finding roots
      • Time for action solving equations
        • What just happened?
        • Finding roots
      • Time for action finding roots
        • What just happened?
      • Differential and integral calculus
      • Time for action calculating limits
        • What just happened?
        • Derivatives
      • Time for action calculating derivatives
        • What just happened?
        • Integrals
      • Time for action calculating integrals
        • What just happened?
      • Series and summations
      • Time for action computing sums of series
        • What just happened?
        • Taylor series
      • Time for action finding Taylor series
        • What just happened?
        • Have a go hero Taylor series
      • Laplace transforms
      • Time for action computing Laplace transforms
        • What just happened?
      • Solving ordinary differential equations
      • Time for action solving an ordinary differential equation
        • What just happened?
      • Summary
    • 8. Solving Problems Numerically
      • Sage and NumPy
      • Solving equations and finding roots numerically
      • Time for action finding roots of a polynomial
        • What just happened?
      • Finding minima and maxima of functions
      • Time for action minimizing a function of one variable
        • What just happened?
        • Functions of more than one variable
      • Time for action minimizing a function of several variables
        • What just happened?
      • Numerical approximation of derivatives
      • Time for action approximating derivatives with differences
        • What just happened?
        • Computing gradients
      • Time for action computing gradients
        • What just happened?
      • Numerical integration
      • Time for action numerical integration
        • What just happened?
        • Numerical integration with NumPy
      • Time for action numerical integration with NumPy
        • What just happened?
      • Discrete Fourier transforms
      • Time for action computing discrete Fourier transforms
        • What just happened?
        • Window functions
      • Time for action plotting window functions
        • What just happened?
        • Have a go hero using window functions
      • Solving ordinary differential equations
      • Time for action solving a first-order ODE
        • What just happened?
        • Solving a system of ODEs
      • Time for action solving a higher-order ODE
        • What just happened?
        • Solving the system using the GNU Scientific Library
      • Time for action alternative method of solving a system of ODEs
        • What just happened?
      • Numerical optimization
      • Time for action linear programming
        • What just happened?
        • Fitting a function to a noisy data set
      • Time for action least squares fitting
        • What just happened?
        • Constrained optimization
      • Time for action a constrained optimization problem
        • What just happened?
      • Probability
      • Time for action accessing probability distribution functions
        • What just happened?
      • Summary
    • 9. Learning Advanced Python Programming
      • How to write good software
      • Object-oriented programming
      • Time for action defining a class that represents a tank
        • What just happened?
        • Making our tanks move
      • Time for action making the tanks move
        • What just happened?
        • Have a go hero checking the values passed to __init__
        • Creating a module for our classes
      • Time for action creating your first module
        • What just happened?
        • Expanding our simulation to other kinds of vehicles
      • Time for action creating a vehicle base class
        • What just happened?
        • Creating a package for our simulation
      • Time for action creating a combat simulation package
        • What just happened?
        • Have a go hero adding another derived class
      • Potential pitfalls when working with classes and instances
      • Time for action using class and instance attributes
        • What just happened?
      • Time for action more about class and instance attributes
        • What just happened?
        • Creating empty classes and functions
      • Time for action creating empty classes and functions
        • What just happened?
      • Handling errors gracefully
      • Time for action raising and handling exceptions
        • What just happened?
        • Exception types
        • Have a go hero raising exceptions in the __init__ method of Tank
        • Creating your own exception types
      • Time for action creating custom exception types
        • What just happened?
      • Unit testing
      • Time for action creating unit tests for the Tank class
        • What just happened?
        • Strategies for unit testing
        • Have a go hero creating some unit tests
      • Summary
    • 10. Where to go from here
      • Typesetting equations with LaTeX
        • Installing LaTeX
      • Time for action PDF output from the notebook interface
        • What just happened?
        • The view function in the interactive shell
        • LaTeX mark-up in the notebook interface
      • Time for action working with LaTeX markup in the notebook interface
        • What just happened?
      • Time for action putting it all together
        • What just happened?
        • Have a go hero Bessel functions of the second kind
      • Speeding up execution
      • Time for action detecting collisions between spheres
        • What just happened?
      • Time for action detecting collisions: command-line version
        • What just happened?
        • Tips for measuring runtimes
        • Optimizing our algorithm
      • Time for action faster collision detection
        • What just happened?
        • Optimizing with NumPy
      • Time for action using NumPy
        • What just happened?
        • More about NumPy
        • Optimizing with Cython
      • Time for action optimizing collision detection with Cython
        • What just happened?
        • Have a go hero further optimization with Cython
      • Calling Sage from Python
      • Time for action calling Sage from a Python script
        • What just happened?
        • Have a go hero solving an ODE symbolically from Python
      • Introducing Python decorators
      • Time for action introducing the Python decorator
        • What just happened?
        • Pop quiz understanding function decorators
        • Have a go hero improving the decorator
        • Have a go hero the memoize decorator
      • Making interactive graphics
      • Time for action making interactive controls
        • What just happened?
      • Using interactive controls
        • Time for action an interactive example
          • What just happened?
          • Have a go hero Taylor series
      • Summary
    • Index
  • Tytuł: Sage Beginner's Guide. Unlock the full potential of Sage for simplifying and automating mathematical computing with this book and
  • Autor: Craig Finch
  • Tytuł oryginału: Sage Beginner's Guide. Unlock the full potential of Sage for simplifying and automating mathematical computing with this book and eBook
  • ISBN: 9781849514477, 9781849514477
  • Data wydania: 2011-05-11
  • Format: Ebook
  • Identyfikator pozycji: e_3c7q
  • Wydawca: Packt Publishing