Square root of a matrixWikipedia, From
必应词典为您提供Square-root-of-a-matrix的释义,网络释义: 矩阵的平方根;
Square Roots of Matrices Gardenia625 宝宝识字 A\ matrix \ B\ is\ called\ a\ square\ root\ of\ \ matrix\ A,\ if\ B^2=A. \forall A\in M_n(\mathbb{C}),\,\exists P\in GL(n,\mathbb{C}),\,s.t.\,P^{-1}AP=J, where\ J=diag(J_1,\cdots ,J_s),\,and\ J_i...
Square Root of a Matrix 作者: Lambert M·Surhone / Mariam T·Tennoe / Susan F·Henssonow 页数: 76 ISBN: 9786131232831 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 我来说两句 短评 ··· 热门 还没人写过短评呢 我要写书评 Square Root of a Matrix的书评 ·...
The usual square root S of a matrix M is a matrix with S*S=M, and you get this S via S = sqrtm(M). If you want to define a matrix S with S'*S = M as the square root of M, you can do this. Then S = chol(M). ...
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算子的平方根square root 线性算子 T∈L(V) 的平方根 R∈L(V) 满足R2=T。 并不是所有算子都有平方根,即使是复矢量空间中的算子也未必存在平方根。【习题8.A第6题】若 T∈L(C3), T(z1,z2,z3)=(z2,z3,0) ,若存在 R∈L(C3) 满足R2=T ,则有 C3=null (T3=0)=null R6=null R3=null ...
What Are Squares and Square Roots?When you multiply a number by itself, you get the square of a number.For instance, 3×3=9. So, the square of 3 is 9.Square root goes the other way round. If the square of 3 is 9, then the square root of 9 is 3....
A fast and stable method for computing the square root X of a given matrix A (X2 = A) is developed. The method is based on the Schur factorization A = QSQH and uses a fast recursion to compute the upper triangular square root of S. It is shown that if α = ∥X∥2/∥A∥ is...