Math Problem Statement
Soit A une matrice symétrique nXn; on veut résoudre l'équation X+transposee (X)=trace (X).A; préciser l'ensemble des solutions selon la valeur de la trace de A
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Matrix Theory
Symmetric Matrices
Trace of a Matrix
Antisymmetric Matrices
Formulas
X + X^T = trace(X) * A
trace(A) = sum of diagonal elements of A
Theorems
Symmetry of matrices: X + X^T is always symmetric
Properties of antisymmetric matrices: X^T = -X
Suitable Grade Level
Undergraduate (Advanced Linear Algebra)
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