hpaulj questions

hpaulj answers

• A function that finds the difference between elements of a 1D array/list e.g. x[n]-x[n-1], x[n-2]-x[n-1] where n is the size of the array/list
• Cannot cast ufunc 'add' output from dtype('float64') to dtype('int64') with casting rule 'same_kind'
• numpy.tile did not work as Matlab repmat
• sys.argv is different when in interactive mode in Ipython
• Convert list to numpy array without using much RAM
• Fastest way to create a numpy array from text file
• not being able to do numpy operations on values on a dictionary
• Python Numpy - Create 2d array where length is based on 1D array
• Why does an assignment to a boolean indexed structured array depend on index ordering?
• How to change the dtype of a numpy array to 'object'?