path_length() [2/3]

double MayaFlux::Kinesis::path_length ( std::span< const double >  samples, size_t  window  )

inlinenoexcept

Total variation: the summed absolute step across the newest window.

Parameters

samples	Newest-first span
window	Number of samples, minimum 2

Returns

Sum of |samples[i] - samples[i + 1]|

TemporalMeasures::roughness is the same sum as a mean per second over a chronological span.

Definition at line 829 of file Differential.hpp.

{
    window = std::min(window < 2 ? size_t { 2 } : window, samples.size());
    double len = 0.0;
    for (size_t i = 0; i + 1 < window; ++i)
        len += std::abs(samples[i] - samples[i + 1]);
    return len;
}

References window.