Least-squares adjustment computation of differential levelling network and post-adjustment analysis

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§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)	100 1.0 0.01 0.0001 0.000001

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Observation data

Obs#	From	To	Rise/Fall(dH)	Sigma_dH
1	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25
2	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25
3	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25
4	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25
5	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25
6	S1 S2 S3 BM1	S1 S2 S3 BM1		0.0005 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.15 0.20 0.25

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:

S1 S2 S3

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

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Results:

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