Composite materials consist of layers of fibers embedded in a resin matrix. Multiply each exponentiated eigenvalue by the corresponding undetermined coefficient matrix . The determinant of any orthogonal matrix is either or . Many cells bind to components of the extracellular matrix. Let be the linear transformation associated to the matrix . The classification depends upon the signature of the eigenvalues of the coefficient matrix . Other fimbriae bind to components of the extracellular matrix. The inverse matrix of is given by . Bones consist of living cells embedded in a mineralized organic matrix. They consist of ceramic fibers embedded in a ceramic matrix. Suppose that we want to compute the eigenvalues of a given matrix. Also let formula 83 be the covariance matrix of formula 4. This is similar to the rotation produced by the above-mentioned two-dimensional rotation matrix. The process is based on graphene growth on a liquid metal matrix. The case of a square invertible matrix also holds interest.