IRIS Toolbox Reference Manual

## instrument

Define conditioning instruments in VAR models

#### Syntax to add forecast instruments

    V = instrument(V,Def)
    V = instrument(V,Name,Exprn)
    V = instrument(V,Name,Vec)

#### Syntax to remove all forecast instruments

    V = instrument(V)

#### Input arguments

- `V` [ VAR ] - VAR object to which forecast instruments will be added.

- `Def` [ char | cellstr ] - Definition string for the new conditioning instruments.

- `Name` [ char ] - Name of the new conditiong instrument.

- `Exprn` [ char ] - Expression defining the new conditiong instrument.

- `Vec` [ numeric ] - Vector of coeffients to combine the VAR variables to create the new conditioning instrument.

#### Output arguments

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