Tài liệu Replacing Null Values in a Strongly Typed DataSet ppt
... DataAdapter SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Categories", ConfigurationSettings.AppSettings["Sql_ConnectString"]); if (annotatedRadioButton.Checked) { // Create the typed DataSet ... DataSet without null annotation CategoriesDS_AnnotatedNull ds = new CategoriesDS_AnnotatedNull( ); // Fill the Categories table within DataSet da.Fill(ds, CATEGORIES_TABLE); // Add...
Ngày tải lên: 14/12/2013, 18:16
General relativity and cosmology for undergraduates j norbury
... ei and defined the scalar product as ˆ A.B ≡ AB cos θ (3.24) where A and B are the magnitudes of the vectors A and B and θ is the angle between them Thus A.B = Ai ei Bj ej ˆ ˆ = (ˆi j )Ai Bj e ... ∂xi ∂xj ∂xi (3.8) 3.1 CONTRAVARIANT AND COVARIANT VECTORS 25 Let’s ’remove’ f and just write ∂ ∂xj ∂ = ∂xi ∂xi ∂xj (3.9) which we see is similar to (3.5), and so we might expect that ∂...
Ngày tải lên: 17/03/2014, 13:34
Intro to differential geometry and general relativity s waner
... r sin x1 cos x2 y3 = r sin x1 sin x2 cos x3 yn-1 = r sin x1 sin x2 sin x3 sin x4 cos xn-1 yn = r sin x1 sin x2 sin x3 sin x4 sin xn-1 cos xn yn+1 = r sin x1 sin x2 sin x3 sin x4 sin xn-1 sin ... xn) 42 3 = (0, 0, -r sin x sin x sin x , r sin x sin x cos x cos x , x r sin x1 sin x2 cos x3 sin x4 sin xn-1 cos xn, r sin x1 sin x2 cos x3 sin x4 sin xn-1 sin xn), and so on g11 g22 g33 ... , x r...
Ngày tải lên: 17/03/2014, 14:28
Introduction to general relativity
... Adler, M Bazin, M Schiffer, Introduction to General Relativity , Mc.Graw-Hill 1965 R M Wald, General Relativity , Univ of Chicago Press 1984 P.A.M Dirac, General Theory of Relativity , Wiley Interscience ... constructions to describe forces between elementary particles or other branches of fundamental physics This is why in an introduction to general relativity it is of imp...
Ngày tải lên: 17/03/2014, 14:28
Lecture notes on general relativity s carroll
... transformations — linearized Einstein equations — gravitational plane waves — transverse traceless gauge — polarizations — gravitational radiation by sources — energy loss The Schwarzschild Solution ... vectors into components with respect to some set of basis vectors A basis is any set of vectors which both spans the vector space (any vector is a linear combination of basis vectors) and is l...
Ngày tải lên: 17/03/2014, 14:28
Semi riemannian geometry and general relativity s sternberg
... carries i (s0 ) to j (s0 ) Let assume that we have applied this motion so we assume that i (s0 ) = j (s0 ) Let us write i (s) = (C (s) , e1 (s) , e2 (s) , e3 (s) ), j (s) = (D (s) , f1 (s) , f2 (s) .f3 (s) ) and we ... homogeneous spaces to cosmogeny and eschatology in Friedman type models Chapter X discusses the Petrov classification, using complex geometry, of the various types of solut...
Ngày tải lên: 17/03/2014, 14:28