IRIS Toolbox Release 20150314

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Downloads: 57
Released: Mar 14, 2015
Updated: Mar 14, 2015 by jaromirbenes
Dev status: Stable Help Icon

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Source Code IRIS_Tbx_20150314.zip
source code, 7561K, uploaded Mar 14, 2015 - 57 downloads

Release Notes

Regular Updates
  • New functionality in model objects. Models with optimal policy (commitment or discretion) can now include a non-negativity constraint for one variable. See new additions to the Optimal Policy tutorial (coming soon). See the new syntax for the option 'optimal=' in model/model.
  • Computational improvements in equation-selective nonlinear simulations in model/simulate. The improvements are substantial in larger models with a small number of nonlinear equations.
  • New option 'optimLambda=' in model/simulate. The option switches on/off a simple grid search to find the optimal step size at the beginning of equation-selective nonlinear simulations; default value is true.
  • New option 'nShanks=' in model/simulate. The option switches on/off a Shanks acceleration method in equation-selective nonlinear simulations. If assigned an integer N greater than 0, Shanks acceleration sequence is tested every N iterations. If false or Inf, the acceleration is not performed.
  • New function model/shockdb. The function adds time series for shocks to an existing database; the shock series can be either zeros or random draws from current parameterization(s).
  • New function model/templatedb. The function create an empty database (i.e. a 0-by-0 struct) with a field for each variable, shock and parameter.
  • New function tseries/repmat. Implementation of standard Matlab function repmat for tseries class.
  • Bug fixed in dbase/dbminuscontrol. The bug caused an error when the function was called with three input arguments.

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