source: SH_SHM/trunk/help/TRCFCT.HLP @ 374

Revision 16, 1.1 KB checked in by marcus, 15 years ago (diff)

r1 | svn | 2007-12-13 11:10:29 +0100 (Do, 13 Dez 2007) | 2 lines

Initial import

Line 
1command TRCFCT <trc-list> <function> [<p1>]
2==============
3
4key: trace functions
5
6Manipulates traces.  Action depends on <function>.  Valid values
7for <function> see below.  All input traces are changed, that means
8no additional output traces are created.
9
10
11parameters
12----------
13
14<trc-list>  ---  parameter type: trace list
15   List of traces to be manipulated.
16
17<function>  ---  parameter type: string
18   Function name.  Valid values are:
19
20   mul           multiplication with <p1>
21   add           add <p1> to all samples
22   square        square all data samples
23   ssquare       square all samples, preserving the sign
24   spower        takes <p1>-th power of all samples, preserving the sign
25   abs           take absolute value
26
27
28examples
29--------
30
31   trcfct all mul 10.0
32      amplifies all traces on display by factor of 10.0.  The result
33      is similar to the command "zoom/rel all 10.0", but here the
34      sample values are changed, not only the display.
35
36   trcfct all spower 0.25
37      Takes 4-th root of each sample of every trace on display
38      preserving the sign.
39
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