calculus of finite differences
afmârik-e degarsânihâ-ye karânmand
Fr.: calcul des différences finies
A calculus based on the properties of the successive values of variable quantities and their differences or increments.
The quality or condition of being different.
Noun form of → differ.
Fr.: différence de phase
The difference of phase (usually expressed as a time or an angle) between two periodic quantities which vary sinusoidally and have the same frequency.
Fr.: différence de potentiel
Between two points, the work done in taking the unit test object from one point to the other. Potential is a scalar quantity.