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t=[3 10 20 30 60]
T=[1173 ;1273; 1373 ;1473]
d=[8.56        11.74        14.51        16.68        19.33;
9.34         13.76        14.82        17.12        21.30;
11.10        14.23        16.51        19.86       22.35;
22.92        29.33        37.54        41.27        46.41]
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X=[1.0986 2.3026 2.9957 3.4012 4.0943];
Y=1.0e-003 *[0.8525 ;0.7855 ;0.7283 ;0.6789];
Z=[2.1471  2.4630    2.6748    2.8142    2.9617;
    2.2343   2.6218    2.6960    2.8402    3.0587;
    2.4069   2.6554    2.8040    2.9887    3.1068;
    3.1320   3.3786    3.6254    3.7201    3.8375];


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