| Original Message (ID '129572') By yehuda: |
| Slot notation is simple
#1 (or just #) is the first argument to a function
#2 is the second argument
...
& just says that the expression is a function
so
Function[{x,y},x+y]
Function[#1+#2]
and #1+#2&
are all the same
The first one uses explicit (dummy) names
The last two use # notation.
The last one is a shortcut for the second one
As for Root, just use N to get numerical values
Since you didn't mention how you got your result (which function generated it) I cannot comment further
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