# kronecker product python

• ### Kronecker product and quantum computingMathematics

2017-8-16 · Kronecker product and quantum computing. I understand that the Kronecker product basically multiplying each element in one matrix by the other matrix but I don t understand how exactly it is supposed to be used when scaling gates to the right number of qubits or creating the states of the system. Ex H ⊗ H produces the Hadamard gate for a 2

• ### Kronecker Product of two matricesGeeksforGeeks

2021-5-3 · Kronecker Product of two matrices Count sub-matrices having sum divisible k Count all sub-arrays having sum divisible by k Longest subarray with sum divisible by k Subarray with no pair sum divisible by K Print array elements that are divisible by at-least one other Find an array element such that all elements are divisible by it

• ### pythonComputing the Kronecker product over a tensor

2020-9-16 · 3. I m working on some Python code and have a few functions which do similar things and the only way I ve found of writing them is quite ugly and not very clear. In the example below the goal is to compute the Kronecker product over a tensor chain of length M in which the m th tensor is R and every other tensor is J.

• ### Appendix D Numerical Tensor Products

2019-7-9 · reader is familiar with thebasics of Python/Numpy e.g. how vectors can be represented by 1D arrays linear operators (matrices) can be represented by 2D arrays etc. Tensor products are implemented by the numpy.kron function which performs an opera-tion called a Kronecker product. The function takes two inputs which can be 1D arrays

• ### OntheKroneckerProductMathematics

2013-8-1 · 2 The Kronecker Product The Kronecker product is deﬁned for two matrices of arbitrary size over any ring. However in the succeeding sections we consider only the ﬁelds of the real and complex numbers denoted by K= Ror C. Deﬁnition 2.1 The Kronecker product of the matrix A ∈ Mp q with the matrix B ∈ Mr s is deﬁned as A ⊗B =

• ### What is the Kronecker Product Nick Higham

2020-8-25 · The Kronecker product of two matrices and (also called the tensor product) is the matrix 1. In other words is the block matrix with block .For example Notice that the entries of comprise every possible product which is not the case for the usual matrix product when it is defined. Indeed if and are then. is and contains sums of of the products is and contains all products .

• ### Kronecker product in Python and MatlabStack Overflow

2013-6-11 · According to MATLAB kron (Iy Dx) (which is supposed to be the kronecker product) should produce a 35X35 matrix but Python thinks it should be a 7X7 matrix. In simpler calculations both give the correct answer Python kron (array ( ( 1 2 2 3 )) 1 2 ) array ( 1 2 2 4 2 4 3 6 ) MATLAB. kron ( 1 2 2 3 1 2 ) ans = 1 2 2 4

• ### What is the Kronecker Product Nick Higham

2020-8-25 · The Kronecker product of two matrices and (also called the tensor product) is the matrix 1. In other words is the block matrix with block .For example Notice that the entries of comprise every possible product which is not the case for the usual matrix product when it is defined. Indeed if and are then. is and contains sums of of the products is and contains all products .

• ### numpy.kron — NumPy v1.9 Manualhet

2014-11-12 · numpy.kron. ¶. Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimenensions of a and b are the same if necessary prepending the smallest with ones.

• ### Basic quantum circuit simulation in PythonJarrod McClean

2016-8-17 · A practical example of a tensor product that we will use here is the Kronecker product which is implemented in Numpy Matlab and many other code packages. We will use the fact that it faithfully takes care of the important properties of the tensor product for

• ### NumPy Compute the Kronecker product of two given

2020-2-26 · Write a NumPy program to compute the Kronecker product of two given mulitdimension arrays. Note In mathematics the Kronecker product denoted by ⊗ is an operation on two matrices of arbitrary size resulting in a block matrix. It is a generalization of the outer product (which is denoted by the same symbol) from vectors to matrices and gives the

• ### numpy.kron — NumPy v1.9 Manualhet

2014-11-12 · numpy.kron. ¶. Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimenensions of a and b are the same if necessary prepending the smallest with ones.

• ### API reference — TensorLy Tensor Learning in Python

2021-7-20 · Dot product of two tensors. kron (a b) Kronecker product of two tensors. solve (a b) Solve a linear matrix equation or system of linear scalar equations. qr (a) Compute the qr factorization of a matrix. kr (matrices weights mask ) Khatri-Rao product of a list of matrices. partial_svd (matrix n_eigenvecs random_state )

• ### python _

2019-4-2 ·  Kronecker product a⊗b import numpy as npa = np.eye(3)b = np.ones((3 2 3))c = np.kron(a b)aarray( 1. 0. 0. 0. 1. 0. 0. 0. 1. ) Python Python

• ### Tensor Product

2018-8-19 · tensor Product Kronecker Product Kronecker Product . 4 Kronecker Product

• ### numpy.kron — NumPy v1.9 Manualhet

2014-11-12 · numpy.kron. ¶. Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimenensions of a and b are the same if necessary prepending the smallest with ones.

• ### numpy.kron — NumPy v1.18 Manual

2020-5-24 · Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimensions of a and b are the same if necessary prepending the smallest with ones. If a.shape = (r0 r1 .. rN) and b.shape = (s0 s1 sN) the Kronecker product has

• ### pythonComputing the Kronecker product over a tensor

2020-9-16 · 3. I m working on some Python code and have a few functions which do similar things and the only way I ve found of writing them is quite ugly and not very clear. In the example below the goal is to compute the Kronecker product over a tensor chain of length M in which the m th tensor is R and every other tensor is J.

• ### Tensor Product

2018-8-19 · tensor Product Kronecker Product Kronecker Product . 4 Kronecker Product

• ### GitHubmsahasrabudhe/pytorch_kronecker_product Fast

2019-7-8 · Fast PyTorch implementation of the kronecker product for 2D matrices inside the autograd framework. Sample usage # Import the module defined in KroneckerProduct.py from KroneckerProduct import KroneckerProduct # Define shapes of matrices on which to compute the Kronecker product.

• ### Tensor Product

2018-8-19 · tensor Product Kronecker Product Kronecker Product . 4 Kronecker Product

• ### GitHubinverseproblem/KronLinInv Kronecker-product

2019-9-5 · KronLinInv. Kronecker-product-based linear inversion of geophysical (or other kinds of) data under Gaussian and separability assumptions. The code computes the posterior mean model and the posterior covariance matrix (or subsets of it) in an efficient manner (parallel algorithm) taking into account 3-D correlations both in the model parameters and in the observed data.

• ### numpy.kron — NumPy v1.21 Manual

2021-6-22 · numpy.kron(a b) source ¶ Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first.

• ### numpy.kron — NumPy v1.13 ManualSciPy — SciPy

2017-6-10 · numpy.kron. ¶. Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimensions of a and b are the same if necessary prepending the smallest with ones.

• ### contrib.kfac.utils.kronecker_productTensorFlow Python

2021-1-10 · tf ntrib.kfac.utils.kronecker_product( mat1 mat2 ) Defined in tensorflow/contrib/kfac/python/ops/utils.py.. Computes the Kronecker product two matrices.

• ### GitHubmsahasrabudhe/pytorch_kronecker_product Fast

2019-7-8 · Fast PyTorch implementation of the kronecker product for 2D matrices inside the autograd framework. Sample usage # Import the module defined in KroneckerProduct.py from KroneckerProduct import KroneckerProduct # Define shapes of matrices on which to compute the Kronecker product.

• ### Kronecker productRosetta Code

2021-6-24 · Kronecker product You are encouraged to solve this task according to the task description using any language you may know. Task. Implement the Kronecker product of two matrices (arbitrary sized) resulting in a block matrix. Translation of Python. V a1 = 1 2 3 4

• ### pythonKronecker product using sparse matrices / tensors

2021-6-5 · I am currently trying to perform a kronecker product on a pair of sparse tensors in tensorflow. I have found some code on another thread to perform the kronecker product using normal tensors. def

• ### Lei Mao s Log BookKronecker Product In Circuits

2 days ago · Kronecker product is widely used in circuits especially those that have parallel logical gates to manipulate bits. Here I implemented a simple Python script to simulate and verify the parallel logical gates and Kronecker product processes I described above.

• ### Kronecker productRosetta Code

2021-6-24 · Kronecker product You are encouraged to solve this task according to the task description using any language you may know. Task. Implement the Kronecker product of two matrices (arbitrary sized) resulting in a block matrix. Translation of Python. V a1 = 1 2 3 4

• ### Kronecker productRosetta Code

2021-6-24 · Kronecker product You are encouraged to solve this task according to the task description using any language you may know. Task. Implement the Kronecker product of two matrices (arbitrary sized) resulting in a block matrix. Translation of Python. V a1 = 1 2 3 4

• ### numpy.kron — NumPy v1.18 Manual

2020-5-24 · Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first. The function assumes that the number of dimensions of a and b are the same if necessary prepending the smallest with ones. If a.shape = (r0 r1 .. rN) and b.shape = (s0 s1 sN) the Kronecker product has

• ### Kronecker Productpytorch_-CSDN

2019-9-20 · def kronecker(A B) AB = torch.einsum("ab cd->acbd" A B) AB = AB.view(A.size(0) B.size(0) A.size(1) B.size(1)) return AB 1 2 3

• ### Lei Mao s Log BookKronecker Product In Circuits

2 days ago · Kronecker product is widely used in circuits especially those that have parallel logical gates to manipulate bits. Here I implemented a simple Python script to simulate and verify the parallel logical gates and Kronecker product processes I described above.

• ### python _

2019-4-2 ·  Kronecker product a⊗b import numpy as npa = np.eye(3)b = np.ones((3 2 3))c = np.kron(a b)aarray( 1. 0. 0. 0. 1. 0. 0. 0. 1. ) Python Python

• ### Chapter 13 Kronecker ProductsSIAM

2006-10-27 · Kronecker Products 13.1 Deﬁnition and Examples Deﬁnition 13.1. Let A ∈ Rm n B ∈ Rp q. Then the Kronecker product (or tensor product) of A and B is deﬁned as the matrix A⊗B = a 11B ··· a 1nB.. a m1B ··· a mnB ∈ Rmp nq. (13.1) Obviously the same deﬁnition holds if A and B are complex-valued matrices. We

• ### GitHubinverseproblem/KronLinInv Kronecker-product

2019-9-5 · KronLinInv. Kronecker-product-based linear inversion of geophysical (or other kinds of) data under Gaussian and separability assumptions. The code computes the posterior mean model and the posterior covariance matrix (or subsets of it) in an efficient manner (parallel algorithm) taking into account 3-D correlations both in the model parameters and in the observed data.

• ### numpy.kron — NumPy v1.18 Manual

2020-5-24 · numpy.kron(a b) source ¶ Kronecker product of two arrays. Computes the Kronecker product a composite array made of blocks of the second array scaled by the first.

• ### scipy.linalg.kron — SciPy v1.7.0 Manual

2021-6-21 · scipy.linalg.kron(a b) source ¶. Kronecker product. The result is the block matrix a 0 0 b a 0 1 b a 0 -1 b a 1 0 b a 1 1 b a 1 -1 b a -1 0 b a -1 1 b a -1 -1 b. Parameters.

• ### pythonComputing the Kronecker product over a tensor

2020-9-16 · The computation could be accelerated by exploiting the associative property of the Kronecker product underbrace Jotimes Jotimescdotsotimes J _ m-1 otimes Rotimesunderbrace Jotimes Jotimescdotsotimes J _ M-m =(underbrace Jotimes Jotimescdotsotimes J _ m-1 )otimes Rotimes(underbrace Jotimes Jotimescdotsotimes J _ M