User:Jarle Pahr/NumPy: Difference between revisions
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http://wiki.scipy.org/NumPy_for_Matlab_Users | http://wiki.scipy.org/NumPy_for_Matlab_Users | ||
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https://pypi.python.org/pypi/numpy | https://pypi.python.org/pypi/numpy | ||
http://wiki.scipy.org/Tentative_NumPy_Tutorial | |||
64-bit installers: http://www.lfd.uci.edu/~gohlke/pythonlibs/ | 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/4151128/what-are-the-differences-between-numpy-arrays-and-matrices-which-one-should-i-u | |||
http://stackoverflow.com/questions/3337301/numpy-matrix-to-array | |||
http://www.python-course.eu/matrix_arithmetic.php | |||
http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/scientific-python-lectures/master/Lecture-2-Numpy.ipynb | |||
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() | |||
Array manipulation routines: http://docs.scipy.org/doc/numpy/reference/routines.array-manipulation.html | |||
=Commands & Functions= | |||
Dimensions of matrix: | |||
matrixname.shape | |||
http://docs.scipy.org/doc/numpy/reference/generated/numpy.zeros.html | |||
http://docs.scipy.org/doc/numpy/reference/generated/numpy.resize.html | |||
http://docs.scipy.org/doc/numpy/reference/generated/numpy.concatenate.html | |||
http://docs.scipy.org/doc/numpy/reference/generated/numpy.hstack.html | |||
http://docs.scipy.org/doc/numpy/reference/generated/numpy.matrix.html |
Revision as of 04:30, 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()
Array manipulation routines: http://docs.scipy.org/doc/numpy/reference/routines.array-manipulation.html
Commands & Functions
Dimensions of matrix:
matrixname.shape
http://docs.scipy.org/doc/numpy/reference/generated/numpy.zeros.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.resize.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.concatenate.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.hstack.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.matrix.html