Using Matlab in Python

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Rachael Hardman
Rachael Hardman 2017-5-12
评论： Seth Wagenman 2020-9-15
Hello,
I'm trying to execute matlab functions in python using the Matlab python package. However, when running an example from the documentation, I am getting an error message. When I run the code:
import matlab
import matlab.engine
eng = matlab.engine.start_matlab()
a = matlab.double([1,4,9,16,25])
b = eng.sqrt(a)
print(b)
I get the error message:
File "<ipython-input-7-6ccc095b323c>", line 1, in <module>
runfile('/Users/rach/Google Drive/PHD/Programming/Winds/Trying.py', wdir='/Users/rach/Google Drive/PHD/Programming/Winds')
File "//anaconda/envs/netcdf/lib/python2.7/site-packages/spyder/utils/site/sitecustomize.py", line 866, in runfile
execfile(filename, namespace)
File "//anaconda/envs/netcdf/lib/python2.7/site-packages/spyder/utils/site/sitecustomize.py", line 94, in execfile
builtins.execfile(filename, *where)
File "/Users/rach/Google Drive/PHD/Programming/Winds/Trying.py", line 4, in <module>
a = matlab.double([1,4,9,16,25])
File "//anaconda/envs/netcdf/lib/python2.7/site-packages/matlab/mlarray.py", line 51, in __init__
raise ex
TypeError: 'NoneType' object is not callable
What does this error mean? Is it something to do with how I have installed everything?
Thanks, Rachael

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采纳的回答

Nagarjuna Manchineni
Looking at the error message, I can see that you are using the python from the Anaconda distribution. This version of Python is not supported with MATLAB. CPython is the recommended Python distribution for use with MATLAB Engine for Python, as noted at the following links:
http://www.mathworks.com/help/matlab/matlab_external/system-requirements-for-matlab-engine-for-python.html http://www.mathworks.com/help/matlab/matlab_external/install-supported-python-implementation.html
I believe once you install the correct version you will not encounter the same issue.
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Juan Salcedo
Juan Salcedo 2019-12-18
Can you elaborate. I am also using the Anaconda thing and want to run Matlab commands

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