Understanding tensordot
After I learned how to use einsum, I am now trying to understand how np.tensordot works.
linear-algebra
“Cloning” row or column vectors
Sometimes it is useful to “clone” a row or column vector to a matrix. By cloning I mean converting a row vector such as
Link ATLAS/MKL to an installed Numpy
TL;DR how to link ATLAS/MKL to existing Numpy without rebuilding.
Fitting a line in 3D
Are there any algorithms that will return the equation of a straight line from a set of 3D data points? I can find plenty of sources which will give the equation of a line from 2D data sets, but none in 3D.
numpy arbitrary precision linear algebra
I have a numpy 2d array [medium/large sized – say 500×500]. I want to find the eigenvalues of the element-wise exponent of it. The problem is that some of the values are quite negative (-800,-1000, etc), and their exponents underflow (meaning they are so close to zero, so that numpy treats them as zero). Is there anyway to use arbitrary precision in numpy?