IRIS Toolbox Reference Manual

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Lag or lead

Syntax

VARIABLE_NAME{-lag}
VARIABLE_NAME{lead}
VARIABLE_NAME{+lead}

Description

To create a lag or a lead of a variable, use a pair of curly brackets.

Example

!transition_equations
    x = rho*x{-1} + epsilon_x;
    pi = 1/2*pie{-1} + 1/2*pie{1} + gamma*y + epsilon_pi;