ml-gsd/lib/algorithms/firstDerivative.js

Global Spectral Deconvolution

import { getMinMaxIntervalsDy } from "./getMinMaxIntervals.js";
import { getPeakFromIntervals } from "./getPeaksFromIntervals.js";
import { xGetCrossZeroPoints } from "./xGetCrossZeroPoints.js";
export function firstDerivative(input) {
    const { y, x, dY, dX, yData, yThreshold, ddY } = input;
    const crossDy = xGetCrossZeroPoints(input);
    const { intervalL, intervalR } = getMinMaxIntervalsDy(y, x, dY, dX);
    return getPeakFromIntervals({
        minData: crossDy,
        intervalL,
        intervalR,
        x,
        yData,
        yThreshold,
        ddY,
    });
}
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