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LabVIEW
quick question
hello everyone
what the signification of minus one in the build waveform vi
thanks for help
It means time runs backwards.
Waveforms have points spaced equally in time. From t0 and dt alone you can calculate the corresponding time for every single element in the Y array based on the array index I.
T(I) = t0 + I x dt
In your case, the first point is at 0.3, the second point at -0.7, then -1.7, etc.
All that said, time typically does not run backwards in nature, so if you see this, mistakes were made elsewhere, e.g. the new y elements were pre-pended instead of appended during acquisition.
It could also mean that the x axis has nothing to do with time and these values are just used to define how the x axis is shown on graphs etc.
@altenbach wrote:
It could also mean that the x axis has nothing to do with time and these values are just used to define how the x axis is shown on graphs etc.
Sounds likely since I doubt things are being acquired from 300ms into 1904.
