ee.Number.digamma

Computes the digamma function of the input.
Usage Returns
Number. digamma () Number
Argument Type Details
this: input
Number The input value.

Examples

Code Editor (JavaScript)

 print 
 ( 
 'Digamma for -1.5' 
 , 
  
 ee 
 . 
 Number 
 ( 
 - 
 1.5 
 ). 
 digamma 
 ()); 
  
 // 0.703156637 
 print 
 ( 
 'Digamma for -1' 
 , 
  
 ee 
 . 
 Number 
 ( 
 - 
 1 
 ). 
 digamma 
 ()); 
  
 // -Infinity 
 print 
 ( 
 'Digamma for 0' 
 , 
  
 ee 
 . 
 Number 
 ( 
 0 
 ). 
 digamma 
 ()); 
  
 // -Infinity 
 print 
 ( 
 'Digamma for 0.5' 
 , 
  
 ee 
 . 
 Number 
 ( 
 0.5 
 ). 
 digamma 
 ()); 
  
 // -1.963510028 
 print 
 ( 
 'Digamma for 1' 
 , 
  
 ee 
 . 
 Number 
 ( 
 1 
 ). 
 digamma 
 ()); 
  
 // -0.577215667 
 print 
 ( 
 'Digamma for 100' 
 , 
  
 ee 
 . 
 Number 
 ( 
 100 
 ). 
 digamma 
 ()); 
  
 // 4.600161852 
 print 
 ( 
 'Digamma for 1e13' 
 , 
  
 ee 
 . 
 Number 
 ( 
 1e13 
 ). 
 digamma 
 ()); 
  
 // 29.933606208 

Python setup

See the Python Environment page for information on the Python API and using geemap for interactive development.

 import 
  
 ee 
 import 
  
 geemap.core 
  
 as 
  
 geemap 

Colab (Python)

 print 
 ( 
 'Digamma for -1.5:' 
 , 
 ee 
 . 
 Number 
 ( 
 - 
 1.5 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # 0.703156637 
 print 
 ( 
 'Digamma for -1:' 
 , 
 ee 
 . 
 Number 
 ( 
 - 
 1 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # -Infinity 
 print 
 ( 
 'Digamma for 0:' 
 , 
 ee 
 . 
 Number 
 ( 
 0 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # -Infinity 
 print 
 ( 
 'Digamma for 0.5:' 
 , 
 ee 
 . 
 Number 
 ( 
 0.5 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # -1.963510028 
 print 
 ( 
 'Digamma for 1:' 
 , 
 ee 
 . 
 Number 
 ( 
 1 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # -0.577215667 
 print 
 ( 
 'Digamma for 100:' 
 , 
 ee 
 . 
 Number 
 ( 
 100 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # 4.600161852 
 print 
 ( 
 'Digamma for 1e13:' 
 , 
 ee 
 . 
 Number 
 ( 
 1e13 
 ) 
 . 
 digamma 
 () 
 . 
 getInfo 
 ()) 
 # 29.933606208 
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