QM Notation: What's the Difference Between A* & A-dagger?
Sep 30, 2008 · The star (*) is usually the complex conjugate: (a + bi)* = a - bi for all real a, b. It's not normally used on operators. The dagger is the conjugate transpose of a matrix. It is a …
Matrix to the Power of T: Solving for AT in A= [2 4 6 8]
Dec 9, 2012 · To find the transpose of the matrix A = [2, 4, 6, 8], it is important to note that A is a row vector, which means its transpose will be a column vector: A^T = [2; 4; 6; 8]. Some …
What Does X'X Represent in Linear Algebra? • Physics Forums
Oct 29, 2012 · What does X'X mean ?There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, …
What are the interpretations of the dual map in linear algebra?
Jan 18, 2011 · I'm sure there are a ton of ways to interpret what the transpose of a matrix represents. Could someone just give me a laundry list of interpretations? Thanks!
What is Hermitian? Definition & Summary - Physics Forums
Jul 24, 2014 · Definition/Summary The Hermitian transpose or Hermitian conjugate (or conjugate transpose) M^ {\dagger} of a matrix M is the complex conjugate of its transpose M^T. A matrix …
Confusion about Einstein notation • Physics Forums
Dec 10, 2018 · However, calling this the Einstein summation convention is a bit of a misnomer, because the lower index on the basis vector does not mean it's a covector or a 1-form, and the …
Linear Algebra: The transpose of A equals Inverse A, so
Jul 8, 2010 · If transA=InverseA, doesn't that mean the matrix is the identity matrix? The explanation says that det (A)= 1 and -1. If the transpose of A is the inverse of A, it does not …
Transmission Line Transposition - Conceptual Question - Physics …
Sep 19, 2018 · This is more of a conceptual question and not a homework question. I am having a hard time understanding why we have to transpose transmission lines and how physically …
What is the transpose of a matrix $i [A,B]$? • Physics Forums
Aug 26, 2023 · The discussion revolves around the challenges of taking the transpose of the matrix represented by the expression \ ( i [A,B] \), particularly focusing on options b) and c). …
What does 'M symmetric' mean in the context of matrices?
Dec 7, 2007 · My dad came across this phrase in a book but neither of us are familiar with it. The statement is : "Let M 1 and M 2 be matrices. N = M 1 − 1 M 2. This matrix is M 1 symmetric …