我用ArrayUtils.add(double[], double)了一些频率.显然我有一个盲点,为什么它不在这里工作.有人可以帮忙吗?
double[] reliableNeighborValues = new double[1];
for (int j = 0; j < 8; j++) {
if (pixelInfo[j] > 0) {
System.out.println("pre add array length "+reliableNeighborValues.length);
for (int k = 0; k < reliableNeighborValues.length; k++) {
System.out.println("-- "+reliableNeighborValues[k]);
}
ArrayUtils.add(reliableNeighborValues, pixelInfo[j]);
System.out.println("reliable neighbor "+j+" "+pixelInfo[j]+" array length "+reliableNeighborValues.length);
for (int k = 0; k < reliableNeighborValues.length; k++) {
System.out.println("-- "+reliableNeighborValues[k]);
}
}
}
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输出:
pre add array length 1
-- 0.0
reliable neighbor 0 5.3364882 array length …Run Code Online (Sandbox Code Playgroud) 我希望 R 使用逗号分隔符但分号换行符来读取.csv。数据没有空格或换行符。我怎样才能做到这一点?