Displaying 2 results from an estimated 2 matches for "cum2".
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com2
2007 Mar 10
3
long character string problem
...X25*x2)^2+C15)A16*(X16*x1+X26*x2)+1*sqrt(B16*(X16*x1+X26*x2)^2+C16)A17*(X17*x1+X27*x2)+1*sqrt(B17*(X17*x1+X27*x2)^2+C17)A18*(X18*x1+X28*x2)+1*sqrt(B18*(X18*x1+X28*x2)^2+C18)A19*(X19*x1+X29*x2)+-1*sqrt(B19*(X19*x1+X29*x2)^2+C19)A110*(X110*x1+X210*x2)+1*sqrt(B110*(X110*x1+X210*x2)^2+C110)"
> cum2
[1]
"A21*(X11*x1+X21*x2)+1*sqrt(B21*(X11*x1+X21*x2)^2+C21)A22*(X12*x1+X22*x2)+1*sqrt(B22*(X12*x1+X22*x2)^2+C22)A23*(X13*x1+X23*x2)+-1*sqrt(B23*(X13*x1+X23*x2)^2+C23)A24*(X14*x1+X24*x2)+-1*sqrt(B24*(X14*x1+X24*x2)^2+C24)A25*(X15*x1+X25*x2)+1*sqrt(B25*(X15*x1+X25*x2)^2+C25)A26*(X16*x1+X26*x2)+1...
2005 Nov 08
1
Can someone Help in nls() package
Hello R-Community,
we are running aprogram to fit Non-linear differential equations to Aphid
population Data and to estimate the birth and death parameters,
here is the code:
dat<-data.frame(Time=c(0:60),Cur=c(5,6.2,59,39,38,44,20.4,19.4,34.2,35.4,38.2,48.2,55.4,113.2,
97,112,115,126,136.6,140.6,147.2,151.6,157.8,170,202,210.4,221.2,224.4,248.2,266,