QuantLib: DPlusDMinus Class Reference

### A free/open-source library for quantitative finance

# DPlusDMinus Class Reference
[Finite-differences framework]

`#include <ql/methods/finitedifferences/dplusdminus.hpp>`

Inheritance diagram for DPlusDMinus:

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List of all members.

## Detailed Description

matricial representation

The differential operator discretizes the second derivative with the second-order formula

Tests:
  the correctness of the returned values is tested by checking them against numerical calculations.

## Public Member Functions
| DPlusDMinus (Size gridPoints, Real h)