Smrutilekha Das, Debadutta Mohanty, Chinmay Kumar Giri, A note on double splittings for rectangular matrices, Filomat, Vol. 39, No. 8 (2025), pp. 2565-2575 ...

Caption A matrix is a rectangular array of numbers. A random matrix can be compared to a Sudoku filled with random numbers. Matrices are part of the equations governing the movements of the particles.

For any A ∈ ℂn×m, the set of all n by m complex matrices, Mosić and Stanimirović [14] introduced the composite OMP inverse of A by its outer inverse with the prescribed range, null space and ...

When the order of the operations influences the end result, the matrices are called “non-commutative.” In this case, the product Q1 x Q2 differs from the product Q2 x Q1.

You cannot specify a nonsquare parameter matrix as an INV or IMI model matrix. Specifying a matrix of type DIA, ZDI, UPP, LOW, or GEN is not necessary if you do not use the unspecified location list ...

Important Terms and Definitions: Matrix: An ordered rectangular array of numbers or functions. Matrix Order: A matrix having m rows and n columns is called a matrix of order m × n.