Tài liệu Modeling Of Data part 6 pdf

... and alamda de- creases by a factor of 10. If a step fails alamda grows by a factor of 10. You must call this 68 6 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING ... β k and δa k must therefore have the dimensions of a 2 k . Scan 68 4 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF S...

Ngày tải lên: 15/12/2013, 04:15

... trade@cup.cam.ac.uk (outside North America). Chapter 15. Modeling of Data 15.0 Introduction Given a set of observations, one often wants to condense and summarize the data by fitting it to a “model” that depends ... satisfy; examples are coefficients of rate equations in a complex network of chemical reactions, or orbital elements of a binary star. Modeling can also be used as...

Ngày tải lên: 15/12/2013, 04:15

... correct one, and a statistical universe of data sets that are drawn from it! 65 8 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright ... value 68 percent of the time, within ±2σ 95 percent of the time, and within ±3σ 99.7 percent of the time. Extending this, one would expect a measurement to...

Ngày tải lên: 15/12/2013, 04:15

... (x i ,y i )to a straight-line model y(x)=y(x;a, b)=a+bx (15.2.1) 66 2 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright ... occur by chance is Q = gammq  N − 2 2 , χ 2 2  (15.2.12) 66 4 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISB...

Ngày tải lên: 15/12/2013, 04:15

... 1079–10 86. [5] Reed, B.C. 1989, American Journal of Physics , vol. 57, pp. 64 2 64 6; see also vol. 58, p. 189, and vol. 58, p. 1209. [6] Reed, B.C. 1992, American Journal of Physics , vol. 60 , pp. ... 66 6 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright ... float *xx,*yy,*sx,*sy,*ww,aa,offs...

Ngày tải lên: 15/12/2013, 04:15

... generalization of §15.2 is to fit a set of data points (x i ,y i )to a model that is not just a linear combination of 1 and x (namely a + bx), but rather a linear combination of any M specified functions of ... 10.7 and 10 .6 concerned themselves with two different techniques for buildingup this information. 67 2 Chapter 15. Modeling of Data Sample page from NUMERICAL RECIPE...

Ngày tải lên: 15/12/2013, 04:15

... of synthetic data sets D S (1) ,D S (2) , , also with N data points. The procedure is simply to draw N data points at a time with replacement from the 69 2 Chapter 15. Modeling of Data Sample page ... [2] Avni, Y. 19 76, Astrophysical Journal , vol. 210, pp. 64 2 64 6. [3] Lampton, M., Margon, M., and Bowyer, S. 19 76, Astrophysical Journal , vol. 208, pp. 177–190. Brownlee,...

Ngày tải lên: 15/12/2013, 04:15

... Notice that the evaluation of the right-hand side of (15.7. 16) occurs in the function rofunc, with communication via global (top-level) variables. 704 Chapter 15. Modeling of Data Sample page from ... *arr,d,sum=0.0; arr=vector(1,ndatat); for (j=1;j<=ndatat;j++) arr[j]=yt[j]-b*xt[j]; if (ndatat & 1) { aa=select((ndatat+1)>>1,ndatat,arr); } else { j=ndatat >> 1; a...

Ngày tải lên: 15/12/2013, 04:15

... Read the following examples: 5 What sort of tone do these structures have? 6 How might you begin a letter of apology to a friend? Discuss the purpose of each of the following letters. 7 A letter ... needs. • Re-read the first paragraph of the task on page 78 and look at the ideas in the bubble diagram below. Write the first part of your letter giving an explanation of what h...

Ngày tải lên: 13/12/2013, 21:15

... range of integration. { int j; float xr,xm,dx,s; static float x[]={0.0,0.1488743389,0.4333953941, The abscissas and weights. First value of each array not used. 0 .67 9409 568 2,0. 865 063 366 6,0.9739 065 285}; static ... used. 0 .67 9409 568 2,0. 865 063 366 6,0.9739 065 285}; static float w[]={0.0,0.2955242247,0. 269 266 7193, 0.2190 863 625,0.1494513491,0. 066 6713443}; xm=0.5*(b+a);...

Ngày tải lên: 15/12/2013, 04:15