hpaulj questions

hpaulj answers

• How to access lower triangle of N*M*M numpy array
• General use of ellipsis in np.einsum
• Why numpy can save and load objects different than numpy arrays
• Can numpy.add.at be used with 2D indices?
• Why does accumulate work for numpy.maximum but not numpy.argmax
• How to use numpy.char.join?
• Python numpy methods/attributes faster than numpy functions?
• Numpy: What is the difference between slicing with brackets and with comma?
• Numpy: What is the difference between slicing with brackets and with comma?
• Efficiently convert numpy array of arrays to pandas series of arrays