seberg questions

seberg answers

• How to efficiently make new matrix from sum of blocks from bigger sparse matrix
• stacking numpy arrays?
• Missing values masked array correlation (numpy.ma)
• python, weighted linspace
• ValueError taking dot product of two sparse matrices in SciPy
• indexing into numpy's mgrid
• numpy: efficiently summing with index arrays
• Matrix calculations on equidistant elements without for loops
• Slicing numpy array with another array
• Find location of slice in numpy array