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Parameters a1,¦Ã12,t12,b1,¦Ã1,t1,c,t21;
Variable t,i;
Function i=a1*exp(-¦Ã12*t^0.5-t/t12)+b1*exp(-¦Ã1*t^0.5-t/t1)-c*exp(-t/t21);
Date;
0.00        351.1
0.01        359.4
0.02        359.2
0.03        352.7
0.04        342.2
0.05        330.7
0.06        322.5
0.07        319.0
0.08        313.0
0.09        306.8
0.10        300.0
0.11        296.0
0.12        294.3
0.13        294.3
0.14        292.7
0.15        292.0
0.16        291.1
0.17        289.0
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