毕业设计 (数据换了，公式改了一个参数）
Parameters e(1:20) ,a(1:20) ,x(1:20) ;Variable t，y;
Function y=sum(i=1:20)(x*(1-exp(-36.0*e*a/0.008314*sqrt(e/(e+4.0*0.008314*t))*exp(-e/(0.008314*t))/(e/(0.008314*t))^2)))；
data;
// t y
573.15 0.005710361
574.31667 0.006157966
575.48333 0.006635892
576.65 0.007145825
577.81667 0.007689525
578.98333 0.008268819
580.15 0.008885607
581.31667 0.009541862
582.48333 0.010239632
583.65 0.01098104
584.81667 0.011768286
585.98333 0.012603646
587.15 0.013489476
588.31667 0.014428209
589.48333 0.015422362
590.65 0.016474528
591.81667 0.017587383
592.98333 0.018763684
594.15 0.02000627
595.31667 0.021318063
596.48333 0.022702064
597.65 0.024161358
598.81667 0.025699111
599.98333 0.027318571
601.15 0.029023067
602.31667 0.030816006
603.48333 0.032700877
604.65 0.034681249
605.81667 0.036760764
606.98333 0.038943146
608.15 0.041232191
609.31667 0.04363177
610.48333 0.046145826
611.65 0.048778373
612.81667 0.051533492
613.98333 0.054415334
615.15 0.057428112
616.31667 0.060576102
617.48333 0.063863639
618.65 0.067295115
619.81667 0.070874978
620.98333 0.074607725
622.15 0.078497902
623.31667 0.082550102
624.48333 0.086768957
625.65 0.091159139
626.81667 0.095725353
627.98333 0.10047234
629.15 0.10540485
630.31667 0.11052769
631.48333 0.11584566
632.65 0.12136357
633.81667 0.12708625
634.98333 0.13301856
636.15 0.13916531
637.31667 0.14553136
638.48333 0.15212152
639.65 0.1589406
640.81667 0.16599342
641.98333 0.17328474
643.15 0.1808193
644.31667 0.18860183
645.48333 0.19663699
646.65 0.20492944
647.81667 0.21348374
648.98333 0.22230444
650.15 0.231396
651.31667 0.24076285
652.48333 0.25040933
653.65 0.2603397
654.81667 0.27055815
655.98333 0.2810688
657.15 0.29187565
658.31667 0.30298264
659.48333 0.31439358
660.65 0.3261122
661.81667 0.3381421
662.98333 0.35048678
664.15 0.36314961
665.31667 0.37613384
666.48333 0.38944261
667.65 0.40307889
668.81667 0.41704554
669.98333 0.43134528
671.15 0.44598066
672.31667 0.46095411
673.48333 0.47626787
674.65 0.49192406
675.81667 0.5079246
676.98333 0.52427128
678.15 0.5409657
679.31667 0.5580093
680.48333 0.57540332
681.65 0.59314885
682.81667 0.61124679
683.98333 0.62969785
685.15 0.64850255
686.31667 0.66766124
687.48333 0.68717406
688.65 0.70704097
689.81667 0.72726172
690.98333 0.74783589
692.15 0.76876283
693.31667 0.79004172
694.48333 0.81167152
695.65 0.833651
696.81667 0.85597873
697.98333 0.87865307
699.15 0.90167217
700.31667 0.92503401
701.48333 0.94873634
702.65 0.97277672
703.81667 0.99715249
704.98333 1.0218608
706.15 1.0468987
707.31667 1.0722628
708.48333 1.0979497
709.65 1.1239558
710.81667 1.1502773
711.98333 1.1769102
713.15 1.2038501
714.31667 1.2310928
715.48333 1.2586336
716.65 1.2864678
717.81667 1.3145903
718.98333 1.3429962
720.15 1.3716801
721.31667 1.4006364
722.48333 1.4298596
723.65 1.4593438
724.81667 1.4890831
725.98333 1.5190713
727.15 1.5493022
728.31667 1.5797692
729.48333 1.6104659
730.65 1.6413855
731.81667 1.6725211
732.98333 1.7038657
734.15 1.7354122
735.31667 1.7671534
736.48333 1.7990818
737.65 1.8311899
738.81667 1.8634703
739.98333 1.8959151
741.15 1.9285165
742.31667 1.9612666
743.48333 1.9941575
744.65 2.027181
745.81667 2.0603289
746.98333 2.0935931
748.15 2.1269652
749.31667 2.1604368
750.48333 2.1939994
751.65 2.2276446
752.81667 2.2613638
753.98333 2.2951485
755.15 2.3289898
756.31667 2.3628793
757.48333 2.3968082
758.65 2.4307677
759.81667 2.4647491
760.98333 2.4987437
762.15 2.5327426
763.31667 2.566737
764.48333 2.6007183
765.65 2.6346776
766.81667 2.6686062
767.98333 2.7024952
769.15 2.736336
770.31667 2.7701199
771.48333 2.8038382
772.65 2.8374822
773.81667 2.8710433
774.98333 2.904513
776.15 2.9378828
777.31667 2.9711442
778.48333 3.0042887
779.65 3.0373081
780.81667 3.0701941
781.98333 3.1029384
783.15 3.1355329
784.31667 3.1679695
785.48333 3.2002402
786.65 3.2323372
787.81667 3.2642527
788.98333 3.2959788
790.15 3.327508
791.31667 3.3588327
792.48333 3.3899454
793.65 3.420839
794.81667 3.451506
795.98333 3.4819395
797.15 3.5121324
798.31667 3.5420777
799.48333 3.5717688
800.65 3.601199
801.81667 3.6303616
802.98333 3.6592504
804.15 3.6878591
805.31667 3.7161814
806.48333 3.7442113
807.65 3.771943
808.81667 3.7993706
809.98333 3.8264886
811.15 3.8532915
812.31667 3.8797738
813.48333 3.9059304
814.65 3.9317562
815.81667 3.9572463
816.98333 3.9823957
818.15 4.0072
819.31667 4.0316546
820.48333 4.0557551
821.65 4.0794972
822.81667 4.102877
823.98333 4.1258904
825.15 4.1485338
826.31667 4.1708034
827.48333 4.1926957
828.65 4.2142074
829.81667 4.2353353
830.98333 4.2560763
832.15 4.2764275
833.31667 4.2963862
834.48333 4.3159497
835.65 4.3351155
836.81667 4.3538813
837.98333 4.3722449
839.15 4.3902043
840.31667 4.4077575
841.48333 4.4249027
842.65 4.4416384
843.81667 4.457963
844.98333 4.4738752
846.15 4.4893737
847.31667 4.5044575
848.48333 4.5191256
849.65 4.5333773
850.81667 4.5472117
851.98333 4.5606284
853.15 4.573627
854.31667 4.5862071
855.48333 4.5983686
856.65 4.6101113
857.81667 4.6214355
858.98333 4.6323412
860.15 4.6428289
861.31667 4.6528988
862.48333 4.6625517
863.65 4.671788
864.81667 4.6806087
865.98333 4.6890146
867.15 4.6970066
868.31667 4.704586
869.48333 4.7117538
870.65 4.7185114
871.81667 4.7248603
872.98333 4.7308018
874.15 4.7363377
875.31667 4.7414696
876.48333 4.7461993
877.65 4.7505287
878.81667 4.7544598
879.98333 4.7579946
881.15 4.7611353
882.31667 4.7638841
883.48333 4.7662433
884.65 4.7682153
885.81667 4.7698027
886.98333 4.7710078
888.15 4.7718334
889.31667 4.772282
890.48333 4.7723566
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