Last edited by Telabar
Monday, May 4, 2020 | History

2 edition of Least squares adjustment computer programs for horizontal and vertical positions found in the catalog.

Least squares adjustment computer programs for horizontal and vertical positions

Ramesh Lal Shrestha

Least squares adjustment computer programs for horizontal and vertical positions

by Ramesh Lal Shrestha

  • 343 Want to read
  • 13 Currently reading

Published .
Written in English

    Subjects:
  • Computer programs.

  • Edition Notes

    Statementby Ramesh Lal Shrestha.
    The Physical Object
    Pagination[10], 162 leaves, bound :
    Number of Pages162
    ID Numbers
    Open LibraryOL14228661M

      Download Java Graticule 3D (moved to GitHub) for free. An OpenSource Least-Squares-Adjustment Tool. JAG3D is no longer developed at source-forge, and has moved to ing System: Windows, Mac, Linux. Program gama-local. Program gama-local is a simple command line tool for adjustment of geodetic free networks. It is available for GNU Linux (the main platform on which project GNU Gama is being developed) or for MS Windows (tested with Borland compiler from Borland free command line tools and with Microsoft Visual C++ compiler; support for Windows platform is currently limited to.

    MnDOT Office of Land Management Software. developed by the Minnesota Department of Transportation for making survey calculations in field and office settings for horizontal and vertical curves, grading widths, and proportions. based on a least-squares analysis of a set of points having coordinate positions in each of the two systems. A Least Squares Adjustment of Multi-temporal InSAR Data: Application to the Ground Deformation of Paris Article (PDF Available) in Photogrammetric Engineering and Remote Sensing 71(2)

    Vertical integration or horizontal diversification? [Erling, M. Tapani] on *FREE* shipping on qualifying offers. Vertical integration or horizontal diversification?Author: M. Tapani Erling.   Understanding the least-squares adjustment. This topic applies to ArcEditor and ArcInfo only. A single observation (bearing and distance) from an existing survey point can be used to compute the coordinates for a new survey point. However, relying on a single observation is risky, since there is no way to tell whether the measurement is correct.


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Least squares adjustment computer programs for horizontal and vertical positions by Ramesh Lal Shrestha Download PDF EPUB FB2

Programs and utilities to perform least squares adjustment on horizontal, vertical angle, and/or GPS observations. Creates horizontal control point records in Blue Book format with geodetic positions in geographic coordinates, state plane coordinates, or Universal Transverse Mercator coordinates.

Least Squares Survey Adjustment Package Ten-Station Demonstration Program A Tour of STAR*NET not simply an adjustment of horizontal followed by an adjustment of vertical.

not one already containing other programs from Starplus Software or other companies, to eliminate the possibility of Size: KB. Least squares adjustment is a model for the solution of an overdetermined system of equations based on the principle of least squares of observation is used extensively in the disciplines of surveying, geodesy, and photogrammetry—the field of geomatics, collectively.

The ADJUST program is a major tool for the least squares adjustment of horizontal. vertical angle. and Global Positioning System (GPS) survey networks submitted to the National Geodetic Survey (NGS). The authors have taken great care in using a structured, top down approach in writing the code using ANSI standard FORTRAN 77 (ANSI X).

LEAST SQUARES ADJUSTMENT COMPUTER PROGRAMS FOR HORIZONTAL AND VERTICAL POSITIONS I. INTRODUCTION The purpose of an adjustment is to have a series of observed quantities consistent within themselves and with geometrical or other data conditions. Once consistency has been achieved, compu-tations involving the adjusted values will give unique results.

Surveyors have developed distinct methods, based on separate control networks, for measuring horizontal and vertical positions.

In this context, a horizontal position is the location of a point relative to two axes: the equator and the prime meridian on the globe, or x and y axes in a plane coordinate system.

Does anyone have a source that dumbs down the least squares to a simple language to understand or have a simple method to think about the calculations. We've been given a end of semester assignment to calculate least squares through excel on a set of 4 Cartesian coordinates with 1 fixed set of coords.

Any direction would be much appreciated. OLS (ordinary least squares) assumes that the values represented by the horizontal distances are either predetermined by the experimenter or measured with high accuracy (relative to the vertical distances).When there is a question of uncertainty in the horizontal distances, you shouldn't be using OLS, but instead should look into errors-in-variables models or, possibly, principal components.

LEAST SQUARES ADJUSTMENT OF INDIRECT OBSERVATIONS Introduction The modern professional surveyor must be competent in all aspects of surveying measurements such as height differences, linear distances, horizontal and vertical angle measurements and combinations thereof which form the fundamental observations used toFile Size: KB.

Although, there are various software that perform least squares adjustment of horizontal geodetic network so as to determine the precision and accuracy of the network. Descriptions of Available Software. ADJUST AND UTILITIES - Programs and utilities to perform least squares adjustment on horizontal, vertical angle, and/or GPS observations.

Data checking programs are included. CALIBRAT(Version ) - This program is used to determine the scale and constant corrections for electronic distance measuring instruments by making measurements over previously. LARGE SCALE GEODETIC LEAST SQUARES ADJUSTMENT BY DISSECTION AND ORTHOGONAL DECOMPOSITION bY Gene H.

Golub* Computer Science Department Stanford University Stanford, CA Robert J. Plemmons ** Departments of Computer Science and Mathematics University of Tennessee Knoxville, TN * Research supported in part by U.S.

Army Grant DAAG File Size: KB. Columbus (version ) is now available for Windows 7, 8 and Version is a desktop application for performing least squares geodetic, projection, local plane and levelling adjustments.

Free Version Now Available. Mathematical Models. Columbus supports 1D, 2D and 3D network adjustments using geodetic, grid or local coordinate. Least squares adjustment synonyms, Least squares adjustment pronunciation, Least squares adjustment translation, English dictionary definition of Least squares adjustment.

pl.n. Statistics A method of determining the curve that best describes the relationship between expected and observed sets of data by minimizing the sums of. We can calculate the function f(x) = ax + b that is obtained by applying the Least squares method to a given set of points.

We will first make Excel help us calculate parameters a and b, and later make Excel calculate them by itself, showing that the function it finds is the same we calculated (or, in other words, that Excel used the Least squares method). The weighted total least squares (TLS) method has been developed to deal with observation equations, which are functions of both unknown parameters of interest and other measured data contaminated with random errors.

Such an observation model is well known as an errors-in-variables (EIV) model and almost always solved as a nonlinear equality-constrained adjustment by: Available are horizontal coordinates and descriptions forpoints and elevations and descriptions for anotherpoints.

Availability is in hard copy and digital form (magnetic tape or microform). Recently, the horizontal data base has become available by a direct telecommunications link. Total least-squares (TLS) adjustment is used to estimate the parameters in the errors-in-variables (EIV) model.

However, its exact solution is rather complicated, and the accuracies of estimated parameters are too difficult to analytically compute. Since the EIV model is essentially a non-linear model, it can be solved according to the theory of non-linear least-squares by: The design matrix of a GPS network is established for any kind of least squares adjustment, namely;-free (trace minimum),-minimum constrained, user can adapt easily dmgps to the adjustment problem of a GPS network whose baselines are taken as observations.

In simple linear regression: A. The standard least squares fit finds the line with the smallest sum of vertical deviations from the data points. The standard least squares fit finds the line with the smallest sum of squared vertical deviations from the data points.

Neither of the above. Both of the above%(4). Principle of least squares The method used to select a line that summarizes an approximate linear relationship between x and y. The least-squares line is the line that minimizes the sum of the squared (errors) vertical deviations for the points in the scatterplot.This least-squares covariance adjustment problem is a convex optimization problem, and can be efficiently solved using standard methods when the number of variables (i.e., entries in the matrix) is modest, say, under Since the number of variables is n(n+1)/2, this corresponds to a limit around n= Malik [] studies a closely related.Our product.

MOVE3 is a powerful solution offering ‘real simplicity in practice’. Here are some of its features. Have a look and find out what MOVE3 can do for you. Features. Least squares adjustment and design of 3D, 2D and 1D geodetic networks.

Rigorous implementation of .