Vocabulary/hatdot

From J Wiki
Jump to: navigation, search

>> <<   Down to: Dyad   Back to: Vocabulary Thru to: Dictionary

^. y Natural Log

Rank 0 -- operates on individual atoms of y, producing a result of the same shape -- WHY IS THIS IMPORTANT?



The natural logarithm of y .

   ^. 2
0.693147
   ^. 2.7
0.993252
   ^. 100
4.60517
   ^. 1
0

Related Primitives

Exponential (^ y)


Details

The natural logarithm of a complex number has an imaginary part in the interval (-π,π].


x ^. y Logarithm

Rank 0 0 -- operates on individual atoms of x and y, producing a result of the same shape -- WHY IS THIS IMPORTANT?



The logarithm of y to the base x .

   10 ^. 2
0.30103
   10 ^. 100
2

Related Primitives

Power (x ^ y)