In order to understand the correct situation in which to use the word affect or effect, the first thing one must do is have a clear understanding of what each word means. 1  Affect is usually used as a verb. It is an action word that means to produce a change in or influence something. 2  Effect is usually used as a noun.
Shear Factor. The distance a point moves due to shear divided by the perpendicular distance of a point from the invariant line.
Integrating Factors An integrating factor is any function that is used as a multiplier for another function in order to allow that function to be solved; that is, using an integrating factor allows a non-exact function to be exact. Integrating factors are most often used in first-order differential equations, but may also be used in higher-order equations as well.