java.lang.Object
- org.orekit.propagation.semianalytical.dsst.utilities.hansen.HansenUtilities

public class HansenUtilities
extends Object

Utilities class.

Author:: Lucian Barbulescu

Field Summary

Fields
Modifier and Type	Field	Description
`static org.hipparchus.analysis.polynomials.PolynomialFunction`	`ONE`	1 represented as a polynomial.
`static org.hipparchus.analysis.polynomials.PolynomialFunction`	`ZERO`	0 represented as a polynomial.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static PolynomialFunctionMatrix`	`buildIdentityMatrix2()`	Build the identity matrix of order 2.
`static PolynomialFunctionMatrix`	`buildIdentityMatrix4()`	Build the identity matrix of order 4.
`static PolynomialFunctionMatrix`	`buildZeroMatrix2()`	Build the empty matrix of order 2.
`static PolynomialFunctionMatrix`	`buildZeroMatrix4()`	Build the empty matrix of order 4.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ONE

public static final org.hipparchus.analysis.polynomials.PolynomialFunction ONE

1 represented as a polynomial.

ZERO

public static final org.hipparchus.analysis.polynomials.PolynomialFunction ZERO

0 represented as a polynomial.

Method Detail

buildIdentityMatrix2

public static final PolynomialFunctionMatrix buildIdentityMatrix2()

Build the identity matrix of order 2.

       / 1   0 \
  I₂ = |       |
       \ 0   1 /

Returns:: the identity matrix of order 2

buildZeroMatrix2

public static final PolynomialFunctionMatrix buildZeroMatrix2()

Build the empty matrix of order 2.

       / 0   0 \
  E₂ = |       |
       \ 0   0 /

Returns:: the identity matrix of order 2

buildIdentityMatrix4

public static final PolynomialFunctionMatrix buildIdentityMatrix4()

Build the identity matrix of order 4.

       / 1  0  0  0 \
       |            |
       | 0  1  0  0 |
  I₄ = |            |
       | 0  0  1  0 |
       |            |
       \ 0  0  0  1 /

Returns:: the identity matrix of order 4

buildZeroMatrix4

public static final PolynomialFunctionMatrix buildZeroMatrix4()

Build the empty matrix of order 4.

       / 0  0  0  0 \
       |            |
       | 0  0  0  0 |
  E₄ = |            |
       | 0  0  0  0 |
       |            |
       \ 0  0  0  0 /

Returns:: the identity matrix of order 4

Class HansenUtilities