data.txt

这是一个包络线的matlab源程序

  7.0200000e+000  3.0646746e-001
  7.0400000e+000  3.4533569e-001
  7.0600000e+000  3.4568176e-001
  7.0800000e+000  3.0592504e-001
  7.1000000e+000  2.2920004e-001
  7.1200000e+000  1.2310831e-001
  7.1400000e+000 -1.0714297e-003
  7.1600000e+000 -1.2962898e-001
  7.1800000e+000 -2.4798176e-001
  7.2000000e+000 -3.4236556e-001
  7.2200000e+000 -4.0145696e-001
  7.2400000e+000 -4.1773384e-001
  7.2600000e+000 -3.8840958e-001
  7.2800000e+000 -3.1582626e-001
  7.3000000e+000 -2.0725551e-001
  7.3200000e+000 -7.4125919e-002
  7.3400000e+000  6.9236690e-002
  7.3600000e+000  2.0721120e-001
  7.3800000e+000  3.2464048e-001
  7.4000000e+000  4.0854390e-001
  7.4200000e+000  4.4958484e-001
  7.4400000e+000  4.4312361e-001
  7.4600000e+000  3.8973544e-001
  7.4800000e+000  2.9513587e-001
  7.5000000e+000  1.6952529e-001
  7.5200000e+000  2.6431812e-002
  7.5400000e+000 -1.1881072e-001
  7.5600000e+000 -2.5077206e-001
  7.5800000e+000 -3.5562501e-001
  7.6000000e+000 -4.2264159e-001
  7.6200000e+000 -4.4531905e-001
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  7.6600000e+000 -3.5602537e-001
  7.6800000e+000 -2.5511964e-001
  7.7000000e+000 -1.3058052e-001
  7.7200000e+000  4.1122451e-003
  7.7400000e+000  1.3480592e-001
  7.7600000e+000  2.4822447e-001
  7.7800000e+000  3.3336831e-001
  7.8000000e+000  3.8261096e-001
  7.8200000e+000  3.9238017e-001
  7.8400000e+000  3.6336288e-001
  7.8600000e+000  3.0023134e-001
  7.8800000e+000  2.1094327e-001
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  8.1800000e+000  1.4405886e-001
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  8.2200000e+000  1.9408524e-001
  8.2400000e+000  1.9717078e-001
  8.2600000e+000  1.8788651e-001
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  8.3000000e+000  1.4177574e-001
  8.3200000e+000  1.0952072e-001
  8.3400000e+000  7.3549707e-002
  8.3600000e+000  3.5105481e-002
  8.3800000e+000 -4.8951605e-003
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  8.4200000e+000 -2.2438298e-001
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  8.6200000e+000  1.8448816e-001
  8.6400000e+000  2.7792562e-001
  8.6600000e+000  3.4685173e-001
  8.6800000e+000  3.8497121e-001
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  8.7200000e+000  3.5768836e-001
  8.7400000e+000  2.9448914e-001
  8.7600000e+000  2.0471237e-001
  8.7800000e+000  9.6339222e-002
  8.8000000e+000 -2.0952531e-002
  8.8200000e+000 -1.3665694e-001
  8.8400000e+000 -2.4038540e-001
  8.8600000e+000 -3.2280373e-001
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  9.0200000e+000  8.3446899e-002
  9.0400000e+000  1.9456411e-001
  9.0600000e+000  2.8827156e-001
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  9.5200000e+000  3.8162509e-001
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  9.9400000e+000  3.5505935e-001
  9.9600000e+000  3.5080668e-001
  9.9800000e+000  3.1536216e-001
  1.0000000e+001  2.5218590e-001
  1.0020000e+001  1.6718520e-001
  1.0040000e+001  6.8161272e-002
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  1.0080000e+001 -1.3568862e-001
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  1.0300000e+001  1.7230367e-001
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  1.0340000e+001  2.9270579e-001
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