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NumPy Beginner's Guide

You're reading from   NumPy Beginner's Guide An action packed guide using real world examples of the easy to use, high performance, free open source NumPy mathematical library.

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Product type Paperback
Published in Apr 2013
Publisher Packt
ISBN-13 9781782166085
Length 310 pages
Edition 2nd Edition
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Author (1):
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Ivan Idris Ivan Idris
Author Profile Icon Ivan Idris
Ivan Idris
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Table of Contents (19) Chapters Close

Numpy Beginner's Guide Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. NumPy Quick Start FREE CHAPTER 2. Beginning with NumPy Fundamentals 3. Get in Terms with Commonly Used Functions 4. Convenience Functions for Your Convenience 5. Working with Matrices and ufuncs 6. Move Further with NumPy Modules 7. Peeking into Special Routines 8. Assure Quality with Testing 9. Plotting with Matplotlib 10. When NumPy is Not Enough – SciPy and Beyond 11. Playing with Pygame Pop Quiz Answers Index

Time for action – calculating the periodic payments


Suppose you have a loan of 1 million with interest rate of 10 percent. You have 30 years to pay the loan back. How much do you have to pay each month? Let's find out.

Call the pmt function with the values mentioned previously.

print "Payment", np.pmt(0.01/12, 12 * 30, 10000000)

The monthly payment would be shown as follows:

Payment -32163.9520447

What just happened?

We calculated the monthly payment for a loan of 1 million at an annual rate of 10 percent. Given that we have 30 years to repay the loan, the pmt function tells us that we need to pay 32,163.9520447 per month.

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