mathematics, a system of equations is considered overdetermined if there are more equations than unknowns.[citation needed] An overdetermined system is almost...
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Overdetermined may refer to: Overdetermined systems in various branches of mathematics Overdetermination in various fields of psychology or analytical...
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underdetermined if there are fewer equations than unknowns (in contrast to an overdetermined system, where there are more equations than unknowns). The terminology...
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this sense, the algorithm is also an effective method for solving overdetermined systems of equations. It has the advantage that second derivatives, which...
26 KB (4,177 words) - 23:00, 11 June 2025
a system of linear differential equations is said to be overdetermined if there are more equations than the unknowns. For an overdetermined system to...
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restricting to one-dimensional motion) a spring system can be cast as a (possibly overdetermined) system of linear equations or equivalently as an energy...
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overdetermined systems, when constructed with random coefficients, are inconsistent. For example, the system x3 – 1 = 0, x2 – 1 = 0 is overdetermined...
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more equations than unknowns has no solution. Such a system is also known as an overdetermined system. In the first case, the dimension of the solution set...
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Frobenius theorem (differential topology) (redirect from Involutive system)
conditions for finding a maximal set of independent solutions of an overdetermined system of first-order homogeneous linear partial differential equations...
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Adjustment of observations, in mathematics, a method of solving an overdetermined system of equations Calibration, in metrology Spinal adjustment, in chiropractic...
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hesse normal forms of the corresponding lines. The solution of this overdetermined system found by the least squares method gives the coordinates of the point...
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discussed by Abell and Chaffee. When n is greater than four, this system is overdetermined and a fitting method must be used. The amount of error in the results...
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parameters ( β {\displaystyle {\boldsymbol {\beta }}} ). Consider an overdetermined system ∑ j = 1 p x i j β j = y i , ( i = 1 , 2 , … , n ) , {\displaystyle...
65 KB (9,098 words) - 10:14, 3 June 2025
Least-squares adjustment is a model for the solution of an overdetermined system of equations based on the principle of least squares of observation residuals...
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QS, Q orthogonal, S symmetric positive-semidefinite Consider an overdetermined system of linear equations, as might occur with repeated measurements of...
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Consistent and inconsistent equations (redirect from Inconsistent system)
(which implies 5 = 6). Both types of equation system, inconsistent and consistent, can be any of overdetermined (having more equations than unknowns), underdetermined...
6 KB (1,070 words) - 01:40, 3 September 2024
Since the n equations in the m variables in our data comprise an overdetermined system with one unknown and n equations, we estimate k using least squares...
36 KB (5,243 words) - 19:58, 10 June 2025
instead the Lax equation arises as a consistency equation for an overdetermined system. The Lax pair ( L , P ) {\displaystyle (L,P)} can be used to define...
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linear least squares is the problem of approximately solving an overdetermined system of linear equations A x = b, where b is not an element of the column...
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that a system of equations, which is not overdetermined and which cannot be reduced to an overdetermined system by using the above-mentioned algebraic property...
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Brunelle JA, Moran RF, Data processing in CO-oximeters that Use overdetermined systems (Reply). Clin Chem, 43:1, 189–191, 1997 Degen BR, Moran RF, Comparison...
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pseudogroups and their deformation theory, based on a fresh approach to overdetermined systems of PDEs (bypassing the Cartan–Kähler ideas based on differential...
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for magnitude and another 128 for the phase). This is a massively overdetermined system, meaning that the number of equations is much larger than the number...
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{\displaystyle \beta _{i}} have been collected, the problem reduces to an overdetermined system of N {\displaystyle N} non-linear equations. The state vector associated...
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to create many more than the minimal required set (creating an overdetermined system), and use least squares regression to derive a set of function parameters...
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{\displaystyle {\sqrt {a^{2}-b^{2}c}}} is a rational number. Consider this overdetermined system of equations (with 3 equations in just 2 unknowns): x − 2 y + 1...
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Cauchy–Riemann equations (redirect from Cauchy-Riemann system)
the theory of several complex variables. They form a significant overdetermined system of PDEs. This is done using a straightforward generalization of...
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Elementary algebra (section System of linear equations)
if there are any. A system with a higher number of equations than variables is called overdetermined. If an overdetermined system has any solutions, necessarily...
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comparisons may be false because of round-off errors). If the system is overdetermined – so that A has more rows than columns – the pseudoinverse A+ (in...
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squares: see below. Least squares is the standard method used with overdetermined systems. Squaring is used in statistics and probability theory in determining...
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