isMonotonicIncreasing

语法

isMonotonicIncreasing(X)

参数

X 可以是标量或向量。

详情

判断 X 是否为单调递增。

例子

$ a = [2023.01M,2023.02M,2023.03M,2023.04M,2023.05M,2023.06M]
$ isMonotonicIncreasing(a);
true

$ a = [1,3,6,5,7,9]
$ isMonotonicIncreasing(a);
false

$ a = [1,3,3,5,7,9]
$ isMonotonicIncreasing(a);
true

$ a = [NULL,1,3,5,7,9]
$ isMonotonicIncreasing(a);
true

$ a = [1,3,5,NULL,7,9]
$ isMonotonicIncreasing(a);
false

相关函数:isMonotonicDecreasing, isMonotonic