Matrices and Vectors
ICSE · Class 11 · Artificial Intelligence
All formulas from Matrices and Vectors in ICSE Class 11 Artificial Intelligence. Key equations, constants, and identities for board exam preparation.
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Formulas
Matrices: Basics and Order
A = [aij]
Order of a matrix = rows × columns
Matrix Operations
A^T
AB = BA = I^n
|A| = ad - bc
trace A = sum of diagonal elements
trace A = 6-2+7 = 11
Matrix Arithmetic
A + B = matrix obtained by adding corresponding elements
K A = multiply every element of A by K
AB is possible only if columns of A = rows of B
AB = [CiT]m×p
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