PolynomialParser (OREKIT 12.2.1 API)

java.lang.Object
- org.orekit.data.PolynomialParser

```
public class PolynomialParser
extends Object
```
Parser for polynomials in IERS tables.
IERS conventions tables display polynomial parts using several different formats, like the following ones:
- 125.04455501° − 6962890.5431″t + 7.4722″t² + 0.007702″t³ − 0.00005939″t⁴
- 0.02438175 × t + 0.00000538691 × t²
- 0''.014506 + 4612''.15739966t + 1''.39667721t^2 - 0''.00009344t^3 + 0''.00001882t^4
- -16616.99 + 2004191742.88 t - 427219.05 t^2 - 198620.54 t^3 - 46.05 t^4 + 5.98 t^5
This class parses all these formats and returns the coefficients.
Author:

Luc Maisonobe

See Also:

SeriesTerm, PoissonSeries, BodiesElements

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static class PolynomialParser.Unit
  Unit for the coefficients.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  PolynomialParser(char freeVariable, PolynomialParser.Unit defaultUnit)
  Simple constructor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  double[] parse(String expression)
  Parse a polynomial expression.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PolynomialParser
```
public PolynomialParser(char freeVariable,
                        PolynomialParser.Unit defaultUnit)
```
    Simple constructor.
    
    Parameters:
    
    freeVariable - name of the free variable
    
    defaultUnit - unit to use if no unit found while parsing
- Method Detail
  - parse
```
public double[] parse(String expression)
```
    Parse a polynomial expression.
    
    Parameters:
    
    expression - polynomial expression to parse
    
    Returns:
    
    polynomial coefficients array in increasing degree order, or null if expression is not a recognized polynomial