User:Jarle Pahr/NumPy: Difference between revisions
From OpenWetWare
Jump to navigationJump to search
Jarle Pahr (talk | contribs) |
Jarle Pahr (talk | contribs) No edit summary |
||
Line 41: | Line 41: | ||
*Use of * results in element-wise multiplication | *Use of * results in element-wise multiplication | ||
*Matrix multiplication achieved with dot() | *Matrix multiplication achieved with dot() | ||
=Commands & Functions= | |||
Dimensions of matrix: | |||
matrixname.shape |
Revision as of 04:00, 23 August 2013
http://wiki.scipy.org/NumPy_for_Matlab_Users
https://pypi.python.org/pypi/numpy
http://wiki.scipy.org/Tentative_NumPy_Tutorial
64-bit installers: http://www.lfd.uci.edu/~gohlke/pythonlibs/
http://www.engr.ucsb.edu/~shell/che210d/numpy.pdf
http://physics.nmt.edu/~raymond/software/python_notes/paper003.html
Matrices and arrays
http://stackoverflow.com/questions/12024820/danger-of-mixing-numpy-matrix-and-array
http://stackoverflow.com/questions/3337301/numpy-matrix-to-array
http://www.python-course.eu/matrix_arithmetic.php
http://scienceoss.com/numpy-array-basics/
http://showmedo.com/videotutorials/video?name=10370040&fromSeriesID=1037
Matrices:
- Strictly 2-dimensional
- Use of * results in matrix multiplication
- Element-wise multiplication achieved with multiply()
Arrays:
- Use of * results in element-wise multiplication
- Matrix multiplication achieved with dot()
Commands & Functions
Dimensions of matrix:
matrixname.shape