Sentence examples for matrix are usually from inspiring English sources

When the impinging signals are stationary, conventional methods such as the eigen-subspace decomposition of the covariance data matrix are usually used [1, 2].

As mentioned before, the parameters of the distribution N μ, Σ, the population mean and population covariance matrix, are usually unknown and have to be estimated from the training samples.

Unfortunately, random aggregations and dispersions of CNTs in the polymer matrix are usually found in the CNT/polymer membranes fabricated by a conventional solution method, which deteriorate the gas permeance performances of the membranes [11, 12].

Information on prior O-D matrices (the so-called "seed matrix") are usually reported in any formulation, both static and dynamic; however, differently from other measures, they are not directly observable [4] and solution procedures for demand adjustment are usually irrespective of their quality [5].

However, a blank matrix is usually not available, especially for natural samples.

The inverse of a 6 × 6 matrix is usually difficult to derive or evaluate in symbolic form.

The viscosity matrix is usually expressed in terms of the right and left eigenvectors of the Roe matrix.

In particulate-reinforced viscoelastic materials, the interfacial debonding between particles and matrix is usually a significant damage mechanism.

The system matrix is usually singular and highly ill-conditioned due to large powers of polynomial basis functions.

In such a case, the speech correlation matrix is usually rank deficient, so that no solution exists.

Since the system matrix can be extremely large for typical problem sizes in practice, the matrix is usually not computed explicitly.