Java CurveFitter类使用实例

实例1: getMinimum

import ij.measure.CurveFitter; //导入依赖的package包/类
/**
 * Fit a parabola to the threshold and connectivity data and return its
 * minimum
 *
 * @param testThreshold
 * @param conns
 * @return
 */
private double getMinimum(final double[] testThreshold, final double[] conns) {
	final CurveFitter cf = new CurveFitter(testThreshold, conns);
	cf.doFit(CurveFitter.POLY2);
	final double[] params = cf.getParams();
	final double b = params[1], c = params[2];
	final double xmin = -b / (2 * c);
	return xmin;
}