identity+in+quantity
121Net capital outflow — The importance of NCO. The domestic real interest rate determined in the domestic market for loanable funds moves along the NCO curve to determine the quantity of currency available for foreign exchange. This in turn determines the real exchange… …
122Linear least squares (mathematics) — This article is about the mathematics that underlie curve fitting using linear least squares. For statistical regression analysis using least squares, see linear regression. For linear regression on a single variable, see simple linear regression …
123ARCHIVES — ARCHIVES, (a) a place where old records are collected and preserved in an orderly fashion in their entirety, as well as groups of interrelated documents originating from individuals or a public body ( historical archives ); registers and filing… …
124PHILOSOPHY, JEWISH — This article is arranged according to the following outline: WHAT IS JEWISH PHILOSOPHY? recent histories of jewish philosophy biblical and rabbinic antecedents bible rabbinic literature hellenistic jewish philosophy philo of alexandria biblical… …
125Mathematical formulation of quantum mechanics — Quantum mechanics Uncertainty principle …
126Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… …
127Price discrimination — or price differentiation[1] exists when sales of identical goods or services are transacted at different prices from the same provider.[2] In a theoretical market with perfect information, perfect substitutes, and no transaction costs or… …
128Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a …
