Understanding tensordot Question: After I learned how to use einsum, I am now trying to understand how np.tensordot works. However, I am a little bit lost especially regarding the various possibilities for the parameter axes. To understand it, as I have never practiced tensor calculus, I use the following example: A = np.random.randint(2, size=(2, 3, …
Cartesian product of two RDD in Spark Question: I am completely new to Apache Spark and I trying to Cartesian product two RDD. As an example I have A and B like : A = {(a1,v1),(a2,v2),…} B = {(b1,s1),(b2,s2),…} I need a new RDD like: C = {((a1,v1),(b1,s1)), ((a1,v1),(b2,s2)), …} Any idea how I can …
What is the pythonic way to calculate dot product? Question: I have two lists, one is named as A, another is named as B. Each element in A is a triple, and each element in B is just an number. I would like to calculate the result defined as : result = A[0][0] * B[0] …
