Search results
Results From The WOW.Com Content Network
The transfer-matrix method is based on the fact that, according to Maxwell's equations, there are simple continuity conditions for the electric field across boundaries from one medium to the next. If the field is known at the beginning of a layer, the field at the end of the layer can be derived from a simple matrix operation. A stack of layers ...
Transfer matrix. In applied mathematics, the transfer matrix is a formulation in terms of a block-Toeplitz matrix of the two-scale equation, which characterizes refinable functions. Refinable functions play an important role in wavelet theory and finite element theory. For the mask , which is a vector with component indexes from to , the ...
This beam can be propagated through an optical system with a given ray transfer matrix by using the equation [further explanation needed]: [] = [] [], where k is a normalization constant chosen to keep the second component of the ray vector equal to 1.
Transfer function matrix. In control system theory, and various branches of engineering, a transfer function matrix, or just transfer matrix is a generalisation of the transfer functions of single-input single-output (SISO) systems to multiple-input and multiple-output (MIMO) systems. [ 1] The matrix relates the outputs of the system to its inputs.
Transfer-matrix method. In statistical mechanics, the transfer-matrix method is a mathematical technique which is used to write the partition function into a simpler form. It was introduced in 1941 by Hans Kramers and Gregory Wannier. [ 1][ 2] In many one dimensional lattice models, the partition function is first written as an n -fold ...
Transfer function. In engineering, a transfer function (also known as system function[1] or network function) of a system, sub-system, or component is a mathematical function that models the system's output for each possible input. [2][3][4] It is widely used in electronic engineering tools like circuit simulators and control systems.
Like the Hamiltonian, the transfer matrix acts on all linear combinations of states. The partition function is a matrix function of T, which is defined by the sum over all histories which come back to the original configuration after N steps: Z = t r ( T N ) . {\displaystyle Z=\mathrm {tr} (T^{N}).}
Especially fruitful is the transfer-matrix method (TMM) which allows a direct computation of the localization lengths and further validates the scaling hypothesis by a numerical proof of the existence of a one-parameter scaling function. Direct numerical solution of Maxwell equations to demonstrate Anderson localization of light has been ...