step size

基本解释

In this example, I create a vector (t) with values ranging from 0 to 2PI (with a step size of 0.2).
在这个例子中，先是创建了一个向量（t），其值的范围从 0 到 2PI（步进大小为 0.2）。
Slicing works by stating the starting index, the ending index, and an optional step size, all separated by semicolons.
分段的工作方式是声明开始索引、结束索引和一个可选的步骤大小，全部都用分号分隔。
In particular, certain types of covariances can require very careful (small step size) numerical calculations, which affects the execution time.
尤其是，某些协方差类型需要非常仔细（步长很小）的数字计算，这会影响执行时间。

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