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Forthcoming 2024 2023 2022 2019-2021 2016-2018 2013-2015 2010-2012

≡ START Guide Deutsch Forthcoming

: Plot of the measurement design by the HTML5 canvas element

: Upload almanac files

: Variance component estimation

≡ START Guide Deutsch 2024

Mar	now also computes singular value decompositions for big matrices.
Jan	revised. New data transfer options between computation tools.

≡ START Guide Deutsch 2023

Nov	extended and augmented by a canvas.
Oct	template project ⚿ updated.
Jun	and revised and extended.
May	and now also create plots of the function.
Apr	Geodätische und statistische Berechnungen (Neuerscheinung 2023 bei Springer Spektrum) erstellt
Mar	revised and extended.
Jan	The video demonstrates solution strategies for two problems of area stakeout.

≡ START Guide Deutsch 2022

Dec	The video demonstrates two solution strategies. created.
Nov	created. now computes eigenvectors for any symmetric and any triangular matrix.
Oct	now computes the QR or RQ decomposition for any matrix.
Jul	created.
Apr	created.
Mar	extended to cover also spatial curves.
Feb	Improved display of points on the canvas
Jan	created.

≡ START Guide Deutsch 2019-2021

2021

Dec	created.
Nov	If have multiple solution, all will be computed. Using transformation parameters can be computed between the systems involved.
Oct	Now also comma separated table columns are read, als long as those commas cannot be interpreted as decimal commas.
Sep	improved and extended. adapted.
Apr	improved and extended to 1303 abbreviations.
Mar	Rendering tables improved.
Feb	updated and extended to 3045 documents.
Jan	created: Functions of a single variable x are integrated over finite intervals using Gaussian quadrature.

2020

Dec	extended, now also computes the rank of matrices and the pivoted Cholesky decomposition, such that it works also for positive semi-definite matrices. created.
Nov	created. now also computes QR and RQ decompositions for singular and non-square matrices.
Oct	extended, now also with canvas. created.
Sep	now accurately computes also very small as well as very acute spherical triangles.
Aug	extended, now also with pure translation.
Jul	created.
Jun	from now on computes also free networks.
May	from now on computes arbitrary polynoms. then permits the computation of eigenvalues of arbitrary square matrices.
Apr	When loading coordinate lists, codes are now also transferred. now also creates coordinate lists.
Mar	created.
Feb	now also with QR and RQ decomposition of a matrix.
Jan	created.

2019

Dec	Library updated and extended to 2824 documents.
Nov	now offers significantly more options: Display of the network on the canvas. Known points may have coordinate errors with indiviual weights. Transfer cofactor or covariance matrix to .
Oct	created.
Sep	New version of the handbook created.
Aug	created.
Jul	created.
Jun	created.
May	now solves many larger problems faster. created.
Apr	Now much broader range of arithmetic expressions in input fields and tabular data records accepted. On canvases with coordinate grid, points can be labeled also by heights instead of names.
Mar	created. revised.
Feb	created.
Jan	created.

≡ START Guide Deutsch 2016-2018

2018

Dec	Stylesheet extended, refined and optimised.
Nov	created.
Oct	now also computes topocentric polar coordinates.
Sep	Guide created. Library updated and extended to 2807 documents.
Aug	extended, now also data transfer with other computation tools. created.
Jul	extended, now also with canvas.
Jun	created.
May	In the a warning can be requested, if a range exceeds a critical value.
Apr	created.
Mar	re-engineered and extended, now more iteration-free least squares solutions.
Feb	created.
Jan	updated.

2017

Dec	Now also transfering matrices to other computation tools as well as transfering lists and matrices to new browsertab. Improved user interface.
Nov	extended.
Oct	created.
Sep	created.
Aug	Library updated and extended to 2782 documents.
Jul	created. Guide created, this computation tool now also with error propagation and canvas
Jun	Projects may now also be downloaded and uploaded. New example: Computation of the orthocentre of a triangle
May	Canvases with coordinate grid may now be magnified.
Apr	created.
Mar	More options to hide undesired paragraphs. New tutorial created. Also files without charset detection uploadable.
Feb	propagation of weights created. with topocentric system
Jan	now also with display on the canvas (for points having three coordinates). All guides revised.

2016

Dec	created. extended by two-sample t-test
Nov	, now also load the adjustment model in . Guide created.
Oct	created.
Aug	Neu guide
Jul	now excludes inappropriate computations automatically.
Jun	created. Library updated and extended to 2674 documents.
May	with advanced and convenient outlier detection. created. with 2nd computation variant
Apr	extended, now also with constraints for parameters. extended, now more coordinates and measurements processable.
Mar	created. Numerical values may now also be expressions like 8.1+8.0063 or 161063/10000 or 2,3009*7,0 or 3,3009*7,0-7 .
Feb	Coordinate lists and measurement lists uploadable by HTTP-UPLOAD created
Jan	New options in , , . Neu guide

≡ START Guide Deutsch 2013-2015

2015

Dec	created. Library updated and extended to 2560 documents.
Nov	created. Adjustment textbooks created.
Oct	created. created.
Sep	created.
Aug	created.
Jul	completely re-designed, now better arranged and more transformations, with Guide
Jun	completely re-designed, now better arranged and more transformations, with Guide, Custom search engine implemented
May	now with outlier detection. created. Picture quiz created.
Apr	: documentation of the computation procedure and analysis of the results extended. Angles are now accepted like 16°10'19.63'' or 970.32717' .
Mar	improved: works faster now and processes up to 126 start values. Example Trigonometric levelling line created. created
Feb	extended, now also with normal probability plot and with even more tests, including the Anderson-Darling-test for normality. Example Repeated height determination of a point created.
Jan	Unbelievable, but true - or not? re-engineered and updated now also generates canvas graphics

2014

Dec	re-engineered and extended re-engineered and extended Library updated and extended to 2513 documents
Nov	created. extended by graphical representation of the measurements
Oct	now converts also from and to grid coordinates. now solves also the inverse meridian arc problem. created.
Sep	created created
Aug	extended by graphical output of the arc new logo and layout facelift
Jul	Report a problem created extended by graphical output of the triangle
Jun	Geodätische Berechnungen created, simplified by using extended, redesigned and extended by filtering
May	created, created
Apr	and associated guide with examples fully newly created, now with links to and , Milestones quiz created extended by graphical output of the polygon
Mar	and redesigned and improved created extended by graphical output of the triangle
Feb	created Save project created
Jan	Handling of ambiguous solutions in and more computation rules implemented, extended revised and extended to global and individual tests Guide and created

2013

Dec	extended by Gauss-Legendre quadrature rule created
Nov	Different time zones become selectable Tooltip glossary and created
Oct	extended, created
Sep	Complete redesign of the algorithm of towards more power. Enabling the exclusion of bad sections and the limitation of the computation time, in case that not all possible solutions are required.
Aug	created, created are now computed from only two start values, as far as possible
Jul	Rebuilt of coordinate system management, automatic computation of scale factors installed, list of page contents created
Jun	created Computation of circumscribed circle of triangles by created Saving coordinates of unknown points by created
May	created Guides and created
Apr	created Guides and created
Feb	and transfer of coordinates to and from transformations created achors inserted into and links in
Jan	and created From now on, the dispensible warning when using the back button of the browser does not show up anymore

≡ START Guide Deutsch 2010-2012

2012

Dec	Method for hiding paragraphs improved Coordinate transformations modified to quaternions as parameters and weighting scheme extended
Nov	Operating mode improved when javascript is turned off Section In the library created
Oct	Library updated and extended from 2062 documents / 4.2 GByte to 2240 documents / 4.3 GByte
Aug	Library updated and extended from 1977 documents / 3.7 GByte to 2062 documents / 4.2 GByte.
Jul	created
May	Realisation of arbitrary probabilities of type I decision error by implementation of inverse cumulative distribution functions
Apr	created
Feb	Library updated and extended from 1701 documents / 3.1 GByte to 1977 documents / 3.7 GByte

2011

Dec	Method for hiding paragraphs created
Sep	Move from www2.htw-dresden.de/progeo to domain of its own: www.in-dubio-pro-geo.de Unbelievable, but true - or not? extended to 44 questions
Aug	created
Jul	Library extended to full support of English.
Jun	Library updated and extended from 1606 documents / 2.9 GByte to 1701 documents / 3.1 GByte.
Apr	Transformations created, in the first instance only planar transformations implemented revised and extended to arbitrary units of angle
Feb	created created, in the first instance mainly in German
Jan	created extended

2010

Dec	separated/converted to English and German. Error messages available also in German.
Nov	Library updated and extended from 1485 documents / 2.6 GByte to 1606 documents / 2.9 GByte. Unbelievable, but true - or not? extended to 27 questions
Jul	created
Jun	created, at the moment only in German created, at the moment only in German
May	Library adopted from previous implementation, at the moment only in German Abbreviations quiz adopted from previous implementation Unbelievable, but true - or not? created
Apr	adopted from previous implementation Additional formulas added to Library updated and extended from 1353 documents / 2.3 GByte to 1485 documents / 2.6 GByte.
Feb	created goes online Improvement of tabular data formatting
Jan	General programming and layouting adopted from previous implementation created, backbone created

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