本文整理汇总了Java中org.openimaj.util.array.ArrayUtils.multiply方法的典型用法代码示例。如果您正苦于以下问题：Java ArrayUtils.multiply方法的具体用法？Java ArrayUtils.multiply怎么用？Java ArrayUtils.multiply使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.openimaj.util.array.ArrayUtils的用法示例。
在下文中一共展示了ArrayUtils.multiply方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: renorm
import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
public void renorm() {
if (wDivisor != 1.0) {
ArrayUtils.multiply(w.values, (float) (1.0 / wDivisor));
// w.scale(1.0 / wDivisor);
wDivisor = 1.0;
}
}
示例2: performStep
import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
List<IndependentPair<String, Point2dImpl>> performStep() {
final List<IndependentPair<String, Point2dImpl>> labels = new ArrayList<>();
for (int k = 0; k < data.length; k++) {
final float[] vector = data[k];
// find BMU
float bestScore = Float.MAX_VALUE;
int besti = 0, bestj = 0;
for (int i = 0; i < som.length; i++) {
for (int j = i + 1; j < som[0].length; j++) {
final double score = FloatFVComparison.EUCLIDEAN.compare(vector, som[i][j]);
if (score < bestScore) {
besti = i;
bestj = j;
bestScore = (float) score;
}
}
}
System.out.println(rawdata.getItemNames().get(k) + " " + bestScore);
labels.add(IndependentPair.pair(rawdata.getItemNames().get(k),
new Point2dImpl(bestj * somfactor, besti * somfactor)));
// Perform update
for (int i = 0; i < som.length; i++) {
for (int j = 0; j < som[0].length; j++) {
final float lr = getLearningRate();
final float neighbourhoodWeight = getNeighbourhoodWeight(i, j, besti, bestj);
final float weight = lr * neighbourhoodWeight;
if (Math.abs(weight) > 0.0000000001) {
final float[] diff = ArrayUtils.subtract(vector.clone(), som[i][j]);
ArrayUtils.multiply(diff, weight);
ArrayUtils.sum(som[i][j], diff);
}
}
}
}
iteration++;
return labels;
}