Home > Extreme Optimization Mathematics Library for .NET > Reference > Extreme.Mathematics.Curves Namespace > FunctionBasis Class > Properties
Gets an element of the collection as a RealFunction.
A RealFunction.
If at all possible, the index parameter should correspond to the natural indexer for a class of functions. For example, in the PolynomialBasis class, the index parameter corresponds to the degree of the polynomial.
| Exception Type | Condition |
|---|---|
| ArgumentOutOfRangeException | index is less than zero or greater than or equal to the number of functions in this FunctionBasis. |
FunctionBasis Class | Extreme.Mathematics.Curves Namespace