semilogx.m

这是MATLAB小型的。下下去看看嘛

%SEMILOGX Semi-log scale plot.
%   SEMILOGX(...) is the same as PLOT(...), except a
%   logarithmic (base 10) scale is used for the X-axis.
%
%   See also PLOT.

%   Copyright 1984-2002 The MathWorks, Inc. 
%   $Revision: 5.8 $  $Date: 2002/04/08 21:44:37 $
%   Built-in function.