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Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Calculates the element-wise subtraction of two numeric series inputs.
series_subtract(series1, series2)
Learn more about syntax conventions.
| Name | Type | Required | Description |
|---|---|---|---|
| series1, series2 | dynamic |
✔️ | Arrays of numeric values, the second array to be element-wise subtracted from the first array. |
A dynamic array of calculated element-wise subtract operation between the two inputs. Any non-numeric element or non-existing element, such as in the case of arrays of different sizes, yields a null element value.
range x from 1 to 3 step 1
| extend y = x * 2
| extend z = y * 2
| project s1 = pack_array(x,y,z), s2 = pack_array(z, y, x)
| extend s1_subtract_s2 = series_subtract(s1, s2)
Output
| s1 | s2 | s1_subtract_s2 |
|---|---|---|
| [1,2,4] | [4,2,1] | [-3,0,3] |
| [2,4,8] | [8,4,2] | [-6,0,6] |
| [3,6,12] | [12,6,3] | [-9,0,9] |