blt_dls.m

function [s] = blt_dls( x, t)
%BLT_DLS - Dimensionless drawdown of the Boulton model for an unconfined aquifer. 
%
% Syntax: s = blt_dls( x, t)
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%   Dimensionless solution 
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%   x[1] = sigma = S / S_y
%   x[2] = phi   = ( alpha r^2 S ) / T 
%   t    = dimensionless time
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% See also: blt_lap
%

s=stefhest('blt_lap',x,t);