QEP may refer to:
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Quadrature encoder
An incremental encoder is a linear or rotary electromechanical device that has two output signals, ''A'' and ''B'', which issue pulses when the device is moved. Together, the ''A'' and ''B'' signals indicate both the occurrence of and direction ...
pulse, in a rotary encoder
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Query plan A query plan (or query execution plan) is a sequence of steps used to access data in a SQL relational database management system. This is a specific case of the relational model concept of access plans.
Since SQL is declarative, there are typical ...
or query execution plan, in a database software system
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Quadratic eigenvalue problem In mathematics, the quadratic eigenvalue problemF. Tisseur and K. Meerbergen, The quadratic eigenvalue problem, SIAM
Rev., 43 (2001), pp. 235–286. (QEP), is to find scalar eigenvalues \lambda, left eigenvectors y and right eigenvectors x such tha ...
, a special case of nonlinear eigenproblem in mathematics
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QEP Resources, a defunct American energy company.
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