www.gusucode.com > 压缩感知重构算法 压缩感知源码程序 > PlotSpikes.m

    function PlotSpikes(base,t,x)
% PlotSpikes -- Plot 1-d signal as baseline with series of spikes
%  Usage
%    PlotSpikes(base,t,x)
%  Inputs
%    base   number, baseline level
%    t      ordinate values
%    x      1-d signal, specifies spike deflections from baseline
%
%  Side Effects
%    A plot of spikes on a baseline
%
%  See Also
%    PlotWaveCoeff, PlotPacketTable
%
	tt = [t ; t ; t ];
	b = zeros(size(x)) + base;
	xx = [b ; x+base ; b ];
	u = [ 0     ; tt(:) ; 1 ];
	v = [  base ; xx(:) ; base ];
	plot(u,v);

    
%
% Copyright (c) 2006. David Donoho
%  

%
% Part of SparseLab Version:100
% Created Tuesday March 28, 2006
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail sparselab@stanford.edu
%