In mathematics, a coefficient is a constant multiplicative factor of a certain object. For example, the coefficient in 9x2 is 9. A coefficient can also be a variable such as , and .
The object can be such things as a variable, a vector, a function, etc. In some cases, the objects and the coefficients are indexed similarly, leading to expressions such as:
where an is the coefficient of the variable xn for each n = 1, 2, 3, …
- ↑ "Compendium of Mathematical Symbols". Math Vault. 2020-03-01. Retrieved 2020-08-15.
- ↑ "Definition of Coefficient". www.mathsisfun.com. Retrieved 2020-08-15.
- ↑ Weisstein, Eric W. "Coefficient". mathworld.wolfram.com. Retrieved 2020-08-15.