Tangent linear equation

From Glossary of Meteorology
(Redirected from Tangent linear equations)



tangent linear equation

An equation of the form x1 = Lx0, in which L is a linearization about the time-varying forecast trajectory of a nonlinear model (
ams2001glos-Tex01
), and x0 and x1 are first-order perturbations of nonlinear vector
ams2001glos-Tex02
.