Least-squares adjustment computation of differential levelling network and post-adjustment analysis
Adjustment using demo dataset #3

NA
Figure for dataset: 3

Introduction:



§Dataset #3
Form is populated with input data: n = 6; u = 3; bm = 1;
Selected parts of the data are allowed to select/edit before execution.
Data input:
Select / insert values for observations and other data.
Then click 'Execute' button to perform adjustment computation and statistic analysis of the results.

Settings

Setting Value
The a priori variance of unit weight (σo2)

Observation data

Obs# From To Rise/Fall(dH) Sigma_dH
1
2
3
4
5
6

Levelling station data

Sta# Name Approx. Height
1 S1
2 S2
3 S3

Benchmark data

BM# Name Fixed Height
1 BM1

Constraint Test

Check/analyse one of the stations below to signify it's elevation being a constraint test:


Note: Input data in the tables above can be edited and re-executed.

Console:

Results:


©2021 Swatchai Kriengkraipet, Chulalongkorn University, Bangkok