1 Introduction.- 1.1 Description of the Discrete Model.- 1.1.1 Free-Free Network.- 1.1.2 Fixed-Free Network.- 1.1.3 Fixed-Fixed Network.- 1.2 Description of the Continuous Model.- 1.2.1 A to AT: Integration by Parts.- 1.2.2 Green's Function.- 1.2.3 Change of Boundary Conditions.- 1.2.4 Modified Green Function.- 1.2.5 Green's Function as a Formal Covariance Function.- 1.3 Variance Propagation.- 2 Discrete Approach.- 2.1 Motivation for the Study.- 2.2 Basic Matrix of Leveling.- 2.2.1 Eigenvectors and Eigenvalues.- 2.2.2 Pseudoinverse.- 2.2.3 Singular Value Decomposition.- 2.2.4 Two-Dimensional Networks.- 2.3 Regular Traverse.- 2.3.1 Random Errors in the Regular Traverse.- 2.3.2 Systematic Errors in the Regular Traverse.- 2.4 Varying the Boundary Conditions.- 2.4.1 Straight Line.- 2.4.2 Circumference of a Circle.- 2.5 Variance Propagation.- 2.6 Asymptotic Behavior of the Node Variance.- 2.7 On the Smoothness and Roughness of the Eigenvectors.- 2.8 Green's Formula for Plane Trigonometric Networks.- 3 Continuous Approach.- 3.1 Leveling Networks.- 3.1.1 Single Triangle.- 3.1.2 Entire Network.- 3.2 Advanced Error Analysis.- 3.2.1 Green's Function for the Unit Circle.- 3.2.2 Green's Function for the Ellipse.- 3.2.3 Green's Function for the Annulus.- 3.3 Plane Elastic Continuous Networks: A Heuristic Exposition.- 3.4 Distance Networks.- 3.4.1 Single Triangle.- 3.4.2 Distance Network.- 3.4.3 Azimuth Networks.- 3.4.4 Combined Distance and Azimuth Networks.- 3.5 Estimates of the Weighted Square Sum of Residuals: the Korn Inequality.- 4 Networks with Relative Observations.- 4.1 Dealing with Relative Observations.- 4.2 Fundamental Solution.- 4.3 Solution of the Boundary Value Problem.- 5 Spectrum.- 5.1 Spectral Density of the Discrete Laplacian.- 5.2 Spectral Distribution Function N(?).- 5.3 Additional Remarks on the Spectral Properties of Geodetic Networks.- 6 Simple Applications.- 6.1 Stiffness Matrix in Practice.- 6.2 Displacement Functions given a Priori.- 6.3 Merging of Digitized Maps.- 6.4 Interpolation of Discrete Vector Field: Cubic Splines.- Author Index.
This concise, fast-paced text introduces the concepts and applications behind plane networks. It presents fundamental material from linear algebra and differential equations, and offers several different applications of the continuous theory. Practical problems, supported by MATLAB files, underscore the theory; additional material can be downloaded from the author's website.
[see attached for complete text]
Concise, fast-paced text introducing the concepts and
applications behind plane networks aimed at applied mathematicians,
mechanical engineers, geodesists and graduate students. Presentation
unfolds in a systematic, user-friendly style and goes from the basics
to cutting-edge research.
Key features include: * presentation of the basics required:
fundamental material from linear algebra and differential equations; *
examination of classical mathematical tools for analyzing discrete
networks, followed by a well-developed theory, which is the continuous
analogue of a discrete network; * numerous examples, illustrations,