xs = [
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    1.2551
    1.5060
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    1.8909
    1.9593
    1.5472
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    1.2435
    1.9293
    1.3500
    1.1966
    1.2511
    1.6160
    1.4733
];

ys = [
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    0.1715
    0.0914
    0.0462
    0.0609
    0.1501
    0.4853
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    0.3511
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    0.0428
    0.2558
    0.4104
    0.3587
    0.1153
    0.1802
];