maple-3
DESCRIPTION
Maple program codes.TRANSCRIPT
(3)(3)
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(1)(1)
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(5)(5)
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p:=interp([1,2,3,4,5,6,7,8,9,10],[1.3,3.5,4.2,5.0,7.0,8.8,10.1,12.5,13.0,15.6],x);
p := 0.00007164903227 x9K0.003127480266 x8C0.05718584874 x7K0.5698264133 x6
C3.378032576 x5K12.26852504 x4C27.40284704 x3K37.40852517 x2
C31.31186805 xK10.60000106
plot({p},x=1..10);
x1 2 3 4 5 6 7 8 9 10
2
4
6
8
10
12
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p:=interp([2,2.5,4],[0.5,0.4,0.25],x);p := 0.05000000000 x2K0.4250000000 xC1.150000000
evalf(subs(x=3,p));0.3250000000
restart:with(stats):
xvals:=[0,0.25,0.5,0.75,1];xvals := 0, 0.25, 0.5, 0.75, 1
yvals:=[1,1.284,1.6487,2.117,2.7183];yvals := 1, 1.284, 1.6487, 2.117, 2.7183
(21)(21)
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(13)(13)
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(22)(22)
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(16)(16)
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(17)(17)
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(10)(10)
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(9)(9)
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O O (20)(20)
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(12)(12)
(8)(8)
(18)(18)
(15)(15)
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z:=fit[leastsquare[[x,y],y=a*x^2+b*x+c,{a,b,c}]]([xvals,yvals]);z := y = 0.8436571429 x2C0.8641828571 xC1.005137143
evalf(subs(x=1.7,z));y = 4.912417143
restart:with(stats):
xvals:=[1,2,3,4,5,6,7,8,9,10];xvals := 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
yvals:=[1.3,3.5,4.2,5.0,7.0,8.8,10.1,12.5,13.0,15.6];yvals := 1.3, 3.5, 4.2, 5.0, 7.0, 8.8, 10.1, 12.5, 13.0, 15.6
z:=fit[leastsquare[[x,y],y=a*x+b,{a,b}]]([xvals,yvals]);z := y = 1.538181818 xK0.3600000000
evalf(subs(x=1.7,z));y = 2.254909091
restart:with(stats):
xvals:=[2,2.5,4];xvals := 2, 2.5, 4
yvals:=[0.5,0.4,0.25];yvals := 0.5, 0.4, 0.25
z:=fit[leastsquare[[x,y],y=a*x+b,{a,b}]]([xvals,yvals]);z := y =K0.1192307692 xC0.7211538462
evalf(subs(x=3,z));y = 0.3634615386
restart:with(stats):
xvals:=[2,2.5,4];xvals := 2, 2.5, 4
yvals:=[0.5,0.4,0.25];yvals := 0.5, 0.4, 0.25
z:=fit[leastsquare[[x,y],y=a*x^2+b*x+c,{a,b,c}]]([xvals,yvals]);z := y = 0.05000000000 x2K0.4250000000 xC1.150000000
evalf(subs(x=3,z));y = 0.3250000000
restart:with(stats):
xvals:=[2,2.5,4];xvals := 2, 2.5, 4
yvals:=[0.5,0.4,0.25];yvals := 0.5, 0.4, 0.25
z:=fit[leastsquare[[x,y],y=a*x^3+b*x^2+c*x+d,{a,b,c,d}]]([xvals,yvals]);
z := y = a x3C 0.05000000000K8.500000000 a x2C K0.4250000000C23. a x
(23)(23)O O
C1.150000000K20. a
evalf(subs(x=3,z));y =K0.50000000 aC0.3250000000