Sine curve fitting from given dataset using matlab

Hi all, I have a data set like this(given below) time and flux is given, now i would like to fit a sine curve for this data using matlab. Need help on this pls

#time(sec)  flux(arbitrary)      
      0.00000     0.579560
      2.67300      2.22622
      5.34600      1.60199
      8.01900     0.862325
      10.6920     0.252016
      13.3650      2.73104
      16.0380      3.23721
      18.7110      1.83635
      21.3840      1.34741
      24.0570      1.05398
      26.7300      4.36905
      29.4030      2.54037
      32.0760      3.14176
      34.7490      1.16241
      37.4220      2.43860
      40.0950      1.60663
      42.7680     0.142770
      45.4410     -1.13314
      48.1140    -0.675083
      50.7870    -0.828353
      53.4600   -0.0228402
      56.1330     -2.31812
      58.8060   -0.0284982
      61.4790     -1.40763
      64.1520     -1.90058
      66.8250    -0.148608
      69.4980     -1.64220
      72.1710     0.498019
      74.8440      2.53692
      77.5170     0.831666
      80.1900     0.917511
      82.8630      1.66403
      85.5360     0.506634
      88.2090      2.26076
      90.8820      2.41708
      93.5550      4.55650
      96.2280      5.14227
      98.9010      5.40334
      101.574      4.12464
      104.247      3.97120
      106.920      3.81750
      109.593      5.18905
      112.266      4.44048
      114.939      2.54991
      117.612      3.05267
      120.285      3.58386
      122.958      5.07710
      125.631      2.74056
      128.304      3.20745
      130.977      2.66973
      133.650      2.70648
      136.323      3.56613
      138.996      1.00956
      141.669      1.38451
      144.342     -1.79701
      147.015     0.840963
      149.688    -0.179059
      152.361      1.89431
      155.034      1.63342
      157.707     0.966543
      160.380    -0.267579
      163.053     0.769329
      165.726      2.15279
      168.399      4.20681
      171.072      5.12451
      173.745      5.14108
      176.418      4.81595
      179.091      4.08248
      181.764      4.55317
      184.437      6.39783
      187.110      6.91755
      189.783      6.98784
      192.456      5.09507
      195.129      4.46909
      197.802      4.31043
      200.475      5.04492
      203.148      5.05108
      205.821      5.33050
      208.494      5.39089
      211.167      2.53055
      213.840      4.01190
      216.513      2.93709
      219.186      4.52998
      221.859      1.23027
      224.532      3.98977
      227.205      2.84638
      229.878     0.979774
      232.551      1.01186
      235.224      1.44851
      237.897      2.36949
      240.570      4.01831
      243.243      2.29769
      245.916      3.59893
      248.589      2.81890
      251.262      6.90366
      253.935      6.04874
      256.608      4.70173
      259.281      6.66682
      261.954      7.32802
      264.627      6.97223

Answer 1

[Walter Roberson]

Please see this old discussion and this file contribution

Answer 2

[Ashikur]

You can use curve fitting tool box

1. Type 'cftool' in command prompt

2. Choose option they are very interactive

3. Also check the documentation