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    %% Compute the |VolSpec| Structure to Specify an Exponential Volatility Model for |HJMTree|
% This example shows how to compute the |VolSpec| structure to specify the
% volatility model for |hjmtree| when volatility is two-factor exponential and constant.
%% 

% Copyright 2015 The MathWorks, Inc.

VolSpec = hjmvolspec('Exponential', 0.1, 1, 'Constant', 0.2)