نتایج جستجو برای: matrix transformations
تعداد نتایج: 416046 فیلتر نتایج به سال:
The various non-linear transformations incurred by the rays in an optical system can be modelled by matrix products up to any desired order of approximation. Mathematica software has been used to find the appropriate matrix coefficients for the straight path transformation and for the transformations induced by conical surfaces, both direction change and position offset. The same software packa...
Transformation-based program synthesis is a hallmark of automated program development. Some time ago, we discovered that the design of a program could be expressed as a matrix of transformations, where both rows and columns represented features. The technique was called Origami, as the matrix was folded in precise ways (thereby composing transformations) until a scalar was produced. This scalar...
Affine space-time mappings have been extensively studied for systolic array design and parallelizing compilation. However, there are practical important cases that require other types of transformations. This paper considers so-called modular mappings described by linear transformations modulo a constant vector. Sufficient conditions for these mappings to be one-to-one are investigated fc~r rec...
Consider testing the null hypothesis that a single structural equation has specified coefficients. The alternative hypothesis is that the relevant part of the reduced form matrix has proper rank, that is, that the equation is identified. The usual linear model with normal disturbances is invariant with respect to linear transformations of the endogenous and of the exogenous variables. When the ...
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