如何找到满足1：1000长度向量X条件的向量元素，即X> 10？

Question

代码如下：

for i = 1:1000

        x1 = TMP(i).SonarReturnData.BeamsOutput([1:200],[25]);
        x2 = TMP(i).SonarReturnData.BeamsOutput([1:200],[26]);
        x3 = TMP(i).SonarReturnData.BeamsOutput([1:200],[27]);
        x4 = TMP(i).SonarReturnData.BeamsOutput([1:200],[28]);
        x5 = TMP(i).SonarReturnData.BeamsOutput([1:200],[29]);
        x6 = TMP(i).SonarReturnData.BeamsOutput([1:200],[30]);
        x7 = TMP(i).SonarReturnData.BeamsOutput([1:200],[31]);
        x8 = TMP(i).SonarReturnData.BeamsOutput([1:200],[32]);
        x9 = TMP(i).SonarReturnData.BeamsOutput([1:200],[33]);
        x10 = TMP(i).SonarReturnData.BeamsOutput([1:200],[34]);
        x11 = TMP(i).SonarReturnData.BeamsOutput([1:200],[35]);
        X = (x1+x2+x3+x4+x5+x6+x7+x8+x9+x10+x11)/11;
        S(i) = X(X>10); 

end  

        plot(S);

我收到以下错误：

Improper assignment with rectangular empty matrix.

Error in open83B_edited_3 (line 189)
  S(i) = X(X>10);  

有人可以帮忙找到避免此错误的方法吗？谢谢。