PNG IHDR c T pHYs nu> tIME& "tEXtCreation Time 19-Apr-2013 16:38:03br $tEXtSoftware MATLAB, The Mathworks, Inc.R IDATx۶ Pq=JىDУ(*,Vpݶm `b. N `v" ) H1 D f'R 0;b ى N `v" ) H1 D f'R 0;b v?u̶mJ Xݨ($.B5 '> 0;9T*Z Su8*ލ8q /Síک]x9Nڪ꾏Φ:@I8d} 0 W /S@Έ]3x$tL2[PU/@˪tWƮKDЯ.jWMkU c "d' bxo]+