# Difference between revisions of "ApCoCoA-1:BB.Box"

From ApCoCoAWiki

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(Added parameter and return value list.) |
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− | Computes the box order ideal of type <formula>D=[D_1,..,D_N]</formula>. The input is a list of integers D of length NumIndets(). The output is a list of terms sorted with respect to the current term ordering. | + | Computes the box order ideal of type <formula>D=[D_1,..,D_N]</formula>. The input is a list of integers D of length NumIndets(). The output is a list of terms sorted in ascending order with respect to the current term ordering. |

+ | <itemize> | ||

+ | <item>@param <em>D</em> List of integer values representing an exponent vector of a term. The order ideal spanned by the term represented by this exponent vector will be computed.</item> | ||

+ | <item>@return A list of terms of the order ideal spanned by the term represented by the exponent vector D, sorted in ascending order w.r.t. the current term ordering.</item> | ||

+ | </itemize> | ||

<example> | <example> | ||

Use Q[x,y,z]; | Use Q[x,y,z]; |

## Revision as of 13:58, 22 April 2009

## BB.Box

Compute a box order ideal.

### Syntax

BB.Box(D:LIST):LIST

### Description

Computes the box order ideal of type <formula>D=[D_1,..,D_N]</formula>. The input is a list of integers D of length NumIndets(). The output is a list of terms sorted in ascending order with respect to the current term ordering.

@param

*D*List of integer values representing an exponent vector of a term. The order ideal spanned by the term represented by this exponent vector will be computed.@return A list of terms of the order ideal spanned by the term represented by the exponent vector D, sorted in ascending order w.r.t. the current term ordering.

#### Example

Use Q[x,y,z]; BB.Box([2,1,1]); [1, x] -------------------------------