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Geostatistics for Large Datasets on Riemannian Manifolds: A Matrix Free Approach
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            Source code for the illustration in Section 5.2
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The following Python packages are needed to run the code and can be installed using pip:
- matplotlib
- time
- numpy
- nlopt

In addition, the code uses the library "gstlearn" which can be installed with the command:
pip install -i https://test.pypi.org/simple/ gstlearn==0.1.31

Further information/instructions about "gstlearn" are available at: https://test.pypi.org/project/gstlearn/

