x=1.5:0.5:7.5; 
y=x;
[X,Y]=meshgrid(x,y);
Z=[X,Y]./x;
mesh(X,Y,Z)
surf(X,Y,Z)
mesh(peaks)
title('Mesh plot of peaks')


% griddata 用的不錯
function Plot3Da()
clc
close all

data=[ -140.5956879,         -8.363816261,         99.80408478
      -140.648468,          8.635231972,         99.79668427
     -128.8633423,         -0.878262043,         97.60212708
     -125.2454529,           12.4412899,         96.84379578
     -138.2467041,          25.44407654,         98.94280243
     -121.6889572,          28.09589386,         95.82228088
       -133.47995,          41.68668747,         97.31072998
     -116.1662369,          43.20398712,         94.18759918
      -126.513855,          57.03937149,         95.02653503
     -108.2987289,          57.12388229,         92.02944183
      -117.560173,          71.24731445,         92.25550842
     -99.32704926,          69.98441315,         89.64434052
     -106.8476944,          84.12267303,          89.1833725
     -92.09631348,          81.57670593,         87.51081085
     -94.60266113,          95.53085327,         86.00164032
     -79.52549744,          88.07067871,         85.27776337
     -80.90539551,          105.3157349,         82.89946747
     -66.22132874,          96.42887878,         82.88426208
     -66.10851288,          113.4318771,         80.07545471
     -51.71256256,          103.2569809,         80.78168488
     -50.41680908,          119.8130264,         77.69145966
     -37.05662537,          108.5254288,         79.10514069
     -34.04092026,          124.4027634,           75.885849
     -21.79164696,          112.7028351,         77.80821991
     -17.20184135,          127.1567307,         74.76539612
     -8.380675316,          116.0293198,         76.93632507
    -0.1310802251,          128.0470581,         74.39715576
      5.381038189,          112.8486938,         77.54615784
      16.93384552,          127.0662079,          74.8026123
      21.67377853,          110.1151199,          78.3341217
      33.75666046,          124.2281876,          75.9557724
      38.09630203,           106.165451,         79.66145325
      50.10932922,          119.5664902,         77.78594971
      53.69687653,          102.0573425,         81.23563385
      65.77585602,          113.1295776,         80.18429565
      68.47875214,          96.38166046,         83.24285889
      80.55136871,          104.9762802,         83.01203156
      80.92761993,          90.69271851,         85.21209717
      94.23690033,          95.17340088,         86.10845947
      89.33772278,          78.94054413,         87.63685608
      106.4334717,           83.8174057,         89.26319122
      100.0487823,          66.52037048,         90.21789551
      117.1305237,          71.02078247,         92.30569458
      110.7141342,          54.07010269,         92.74058533
      126.1078262,          56.91161728,          95.0497818
      119.8137741,          43.79291534,         94.83236694
      133.1401672,          41.66850662,          97.3143692
      122.8615265,          30.43125153,           95.989151
      138.0155182,          25.53489494,          98.9371109
      125.6292496,          15.12751865,         96.89463043
      140.5627899,          8.822790146,         99.79244232
      126.3446121,          -0.59616822,         97.15239716
      140.6821747,         -8.101071358,         99.81005096
      127.8779984,         -14.55960178,         97.28369141
      138.3659821,         -24.84693527,         98.98722076
      122.5750122,         -27.42553139,         96.00678253
      133.7005005,         -41.04216385,         97.38972473
      116.6969528,         -42.48648834,         94.32593536
      126.8476563,         -56.36503601,         95.14066315
      109.0778351,         -56.70069885,         92.19177246
      118.0156174,         -70.56147003,          92.4023056
       103.002655,         -69.16272736,         90.26325989
      107.4301529,         -83.44355774,         89.35759735
      91.39450836,         -77.16190338,         87.92706299
      95.31499481,         -94.87632751,         86.19560242
       78.7562027,         -87.11780548,         85.32829285
      81.88336182,         -104.7609177,         83.10193634
      65.41641235,         -96.17113495,         82.87780762
      67.04942322,         -113.0251999,         80.23797607
      51.73176575,         -103.7889557,         80.70227814
      51.30008698,         -119.5373077,         77.81178284
      37.18674469,         -109.2406235,         78.99054718
      34.84906006,         -124.2395554,         75.96520233
      24.42737389,         -114.0897217,         77.62640381
      17.92052269,         -127.0864716,         74.80808258
      10.41476536,         -112.8067932,         77.60667419
     0.7493786216,         -128.0492401,          74.4099884
     -5.990447521,         -112.1901321,         77.68668365
     -16.42319489,         -127.1196518,         74.79414368
     -22.43389511,         -110.0105286,         78.39306641
     -33.35712433,         -124.3114395,         75.93538666
     -38.48196793,         -106.3107758,         79.66684723
     -49.82058334,         -119.6582031,         77.76292419
     -54.02453995,         -101.3898468,         81.36872101
     -65.59396362,         -113.2088623,         80.16692352
     -67.54846954,         -97.82169342,         82.94039154
     -80.46898651,         -105.0229187,         83.00689697
     -77.84078979,         -87.69248199,         85.33493805
     -94.24342346,         -95.16806793,         86.11988831
     -90.06053925,         -76.88703918,          87.9341507
     -106.4876099,          -83.7551651,          89.2869873
     -101.6797485,         -65.60706329,         90.52170563
     -117.2181473,         -70.89050293,         92.33940887
     -112.1867371,         -54.22458649,         92.95892334
     -126.2121735,         -56.70420837,         95.08882904
     -121.0385208,         -44.13293076,          95.0190506
     -133.2420349,         -41.37782669,         97.35225677
     -123.2946854,          -30.3440094,         96.06993103
     -138.0938263,         -25.15876389,         98.96603394
      -125.679512,         -14.76362038,         96.91259003
     -28.14227486,         -45.30510712,         86.38885498
     -12.12175179,         -51.02431488,         85.90315247
     -22.24298477,         -62.67647171,         84.96800995
     -2.635389566,         -68.01856232,         84.23305511
      4.852543354,          -52.1073761,         85.80380249
     -40.75542068,          -56.4587326,         85.98213959
      -41.6894722,         -35.03987122,          87.1098175
      17.71553802,         -65.31053925,         84.61376953
      21.45970154,         -48.40573502,         86.12931061
       37.5559082,         -59.68971252,         85.56465912
      36.24943161,         -40.03792953,         86.77594757
     -55.02622986,         -42.99015045,         87.45187378
     -51.41395187,         -21.13041878,         87.79125977
      52.67154694,         -46.56975937,         87.08794403
      47.84020615,          -27.6353035,         87.51151276
      66.58512878,         -35.68074036,         88.53887177
      66.53883362,         -19.19660568,         88.94579315
      54.83689499,         -12.15216541,         88.05648041
      68.49894714,         -2.334079504,         89.25605011
      56.03888321,          4.799449444,         88.16101837
      67.83753204,          14.83067894,           89.132164
      51.40839767,          21.13053894,         87.78865051
      66.92768097,          32.12956619,         88.71973419
      53.70815277,          41.18436432,         87.45639038
      41.68393326,          35.03993607,          87.1058197
       40.2499733,          52.25653076,         86.23684692
      28.13672638,          45.30508804,         86.38388062
      24.21056366,          63.12250137,         84.95707703