张量(Tensor)、标量(scalar)、向量(vector)、矩阵(matrix) Python Numpy 切片和索引(高级索引、布尔索引、花式索引) Python NumPy 广播(Broadcast) 张量(Tensor):Tensor = multi-dimensional array of numbers 张量是一个多维数组,它是标量,向量,矩阵的高维扩展 ,是一个数据容器,张量是矩阵向任意维度的推广 注意,张...
张量(Tensor):Tensor = multi-dimensional array of numbers 张量是一个多维数组,它是标量,向量,矩阵的高维扩展 ,是一个数据容器,张量是矩阵向任意维度的推广 注意,张量的维度(dimension)通常叫作轴(axis), 张量轴的个数也叫作阶(rank)] 标量(scalar):只有一个数字的张量叫标量(也叫标量张量、零维张量、0D ...
Python NumPy 广播(Broadcast) 张量(Tensor):Tensor = multi-dimensional array of numbers 张量是一个多维数组,它是标量,向量,矩阵的高维扩展 ,是一个数据容器,张量是矩阵向任意维度的推广 注意,张量的维度(dimension)通常叫作轴(axis), 张量轴的个数也叫作阶(rank)] 标量(scalar):只有一个数字的张量叫标量(...
Munschy M., Fleury S., 2011, Scalar, vector, tensor magnetic anomalies: measurement or computation?, Geophysical Prospecting 59, 1035-1045.Munschy, M., and Fleury, S., 2011, Scalar, vector, tensor magnetic anomalies: measurement or computation?: Geophysical Prospecting, 59, 1035-1045. doi:...
1.标量(Scalar)数值量。 2.向量(Vector)数值量加方向,数值表示每个维度上的量,而 1 维数组的项数表示空间维度数。 3.矩阵(Matrix)数值量加方向,数值表示每个维度上的量,而 2 维数来表示空间维度数。 4.张量(Tensor)抽象表达的不是维度而是维度的等级。比如标量
Column Vector, Contravariant Vector, Covariant Vector, Direction, Four-Vector, Head, Helmholtz's Theorem, List, n-Tuple, n-Vector, Null Vector, One-Form, Phasor, Polar Vector, Pseudovector, Row Vector, Scalar, Tail, Tensor, Unit Vector, Vector Addition, Vector Basis, Vector Bundle, Vector ...
标准宇宙学模型——ACDM模型无疑是成功的,它与至今为止大部分天文观测相容。不过,ACDM模型并非尽善尽美,它困扰于宇宙常数问题,和各种微调(fine-tuning)问题。在本文中,我们考察了两种"非标准"的宇宙学模型,着重讨论它们的观测效应,探讨它们是否符合已有的观测数据,以及如何与ACDM模型区分。我们首先讨论了一类暗物质暗能...
We consider spin and pseudospin symmetry limits of Dirac equation in the presence of scalar, vector and tensor generalized Cornell interaction and report the solutions via the quasi-exact analytical ansatz approach.doi:10.1007/s00601-015-1033-5S....
Ⅰ第18B講 Is pressure in liquids a scalar, a vector or a tensor。听TED演讲,看国内、国际名校好课,就在网易公开课
One can (if dim H is not prime) ‘factorize’ a given Hilbert space into a tensor product, typically in many ways. 7.1.10 Convex Sets and Cones A subset, X, of a real vector space, V, is convex if for any x, y∈ X, rx+(1−r)y∈ X for all r in the real interval [0...