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Name

tabpeak - find peaks or valleys in a table

Synopsis

tabpeak [parameter=value]

Description

Find local maxima (and/or minima) and fit a local paraboloid, return the location and value of the peak, or valley. See also tablsqfit(1NEMO) .

Parameters

The following parameters are recognized in any order if the keyword is also given:
in=
Input file name [???]
xcol=
X-Column [1]
ycol=
Y-column [2]
clip=
Only consider points above this [0]
valley=t|f
Also fit valleys, in which case the signal has to be below -clip. [Default: f]
mean=t|f
nmax=
max size if a pipe [100000]

Examples


% nemoinp 1:3 | tabmath - - ’-(2.2-%1)**2+10’ | tabpeak -
2.200000 10.000000

See Also

tablsqfit(1NEMO)

Files

Author

Peter Teuben

Update History


28-May-2013    V0.1 Created    PJT
30-may-2013    V0.2 added valley=    PJT


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