inverse-time element
71Demand (economics) — Demand redirects here. For other uses, see Demand (disambiguation). In economics, demand is the desire to own anything, the ability to pay for it, and the willingness to pay[1] (see also supply and demand). The term demand signifies the ability… …
72Moore–Penrose pseudoinverse — In mathematics, and in particular linear algebra, a pseudoinverse A+ of a matrix A is a generalization of the inverse matrix.[1] The most widely known type of matrix pseudoinverse is the Moore–Penrose pseudoinverse, which was independently… …
73Continuous function — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiation Taylor s theorem Related rates …
74LTI system theory — or linear time invariant system theory is a theory in the field of electrical engineering, specifically in circuits, signal processing, and control theory, that investigates the response of a linear, time invariant system to an arbitrary input… …
75painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …
76solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
77Convolution — For the usage in formal language theory, see Convolution (computer science). Convolution of two square pulses: the resulting waveform is a triangular pulse. One of the functions (in this case g) is first reflected about τ = 0 and then offset by t …
78LSZ reduction formula — In quantum field theory, the LSZ reduction formula is a method to calculate S matrix elements (the scattering amplitudes) from the time ordered correlation functions of a quantum field theory. It is a step of the path that starts from the… …
79Polymerase Chain Reaction — Réaction en chaîne par polymérase Pour les articles homonymes, voir PCR. Diagramme des 4 premiers cycles de la PCR La réaction en chaîne par polymérase (PCR est l abréviation an …
80RT-PCR — Réaction en chaîne par polymérase Pour les articles homonymes, voir PCR. Diagramme des 4 premiers cycles de la PCR La réaction en chaîne par polymérase (PCR est l abréviation an …