Adjoint of 3x3 Matrix Computation of the adjoint matrix. Description The Adjoint of 3x3 Matrix block computes the adjoint matrix for the original 3x3 matrix of a species: The adjoint matrix has the form: Ports Input A - matrix `matrix 3 by 3 Initial matrix. Data types: Float64. Output adj(A) - adjoint matrix `matrix 3 by 3 Joined matrix. Data types: Float64. Additional options C code generation: Yes