Earth Engine is introducing noncommercial quota tiers to safeguard shared compute resources and ensure reliable performance for everyone. All noncommercial projects will need to select a quota tier by April 27, 2026 or will use the Community Tier by default. Tier quotas will take effect for all projects (regardless of tier selection date) on April 27, 2026 . Learn more.

ee.Array.erf

Page Summary

The Array.erf() method computes the error function of each element in the input array.
This method takes an Array as input and returns an Array as output.
Examples are provided in both JavaScript and Python, demonstrating how to use the erf() method and visualize the results.

On an element-wise basis, computes the error function of the input.

Usage	Returns
`Array. erf ()`	Array

Argument	Type	Details
this: `input`	Array	The input array.

Examples

Code Editor (JavaScript)

 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 6 
 ]). 
 erf 
 ()); 
  
 // [-1] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 ]). 
 erf 
 ()); 
  
 // [0] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 6 
 ]). 
 erf 
 ()); 
  
 // [1] 
 var 
  
 start 
  
 = 
  
 - 
 3 
 ; 
 var 
  
 end 
  
 = 
  
 3 
 ; 
 var 
  
 points 
  
 = 
  
 ee 
 . 
 Array 
 ( 
 ee 
 . 
 List 
 . 
 sequence 
 ( 
 start 
 , 
  
 end 
 , 
  
 null 
 , 
  
 50 
 )); 
 var 
  
 values 
  
 = 
  
 points 
 . 
 erf 
 (); 
 // Plot erf() defined above. 
 var 
  
 chart 
  
 = 
  
 ui 
 . 
 Chart 
 . 
 array 
 . 
 values 
 ( 
 values 
 , 
  
 0 
 , 
  
 points 
 ) 
  
 . 
 setOptions 
 ({ 
  
 viewWindow 
 : 
  
 { 
 min 
 : 
  
 start 
 , 
  
 max 
 : 
  
 end 
 }, 
  
 hAxis 
 : 
  
 { 
  
 title 
 : 
  
 'x' 
 , 
  
 viewWindowMode 
 : 
  
 'maximized' 
 , 
  
 ticks 
 : 
  
 [ 
  
 { 
 v 
 : 
  
 start 
 }, 
  
 { 
 v 
 : 
  
 0 
 }, 
  
 { 
 v 
 : 
  
 end 
 }] 
  
 }, 
  
 vAxis 
 : 
  
 { 
  
 title 
 : 
  
 'erf(x)' 
 , 
  
 ticks 
 : 
  
 [ 
  
 { 
 v 
 : 
  
 - 
 1 
 }, 
  
 { 
 v 
 : 
  
 0 
 }, 
  
 { 
 v 
 : 
  
 1 
 }] 
  
 }, 
  
 lineWidth 
 : 
  
 1 
 , 
  
 pointSize 
 : 
  
 0 
 , 
  
 }); 
 print 
 ( 
 chart 
 );

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)

 import 
  
 altair 
  
 as 
  
 alt 
 import 
  
 pandas 
  
 as 
  
 pd 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 6 
 ]) 
 . 
 erf 
 ()) 
 # [-1] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 ]) 
 . 
 erf 
 ()) 
 # [0] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 6 
 ]) 
 . 
 erf 
 ()) 
 # [1] 
 start 
 = 
 - 
 3 
 end 
 = 
 3 
 points 
 = 
 ee 
 . 
 Array 
 ( 
 ee 
 . 
 List 
 . 
 sequence 
 ( 
 start 
 , 
 end 
 , 
 None 
 , 
 50 
 )) 
 values 
 = 
 points 
 . 
 erf 
 () 
 df 
 = 
 pd 
 . 
 DataFrame 
 ({ 
 'x' 
 : 
 points 
 . 
 getInfo 
 (), 
 'erf(x)' 
 : 
 values 
 . 
 getInfo 
 ()}) 
 # Plot erf() defined above. 
 alt 
 . 
 Chart 
 ( 
 df 
 ) 
 . 
 mark_line 
 () 
 . 
 encode 
 ( 
 x 
 = 
 alt 
 . 
 X 
 ( 
 'x' 
 , 
 axis 
 = 
 alt 
 . 
 Axis 
 ( 
 values 
 = 
 [ 
 start 
 , 
 0 
 , 
 end 
 ])), 
 y 
 = 
 alt 
 . 
 Y 
 ( 
 'erf(x)' 
 , 
 axis 
 = 
 alt 
 . 
 Axis 
 ( 
 values 
 = 
 [ 
 - 
 1 
 , 
 0 
 , 
 1 
 ])) 
 )

ee.Array.erf Stay organized with collections Save and categorize content based on your preferences.

Page Summary

Examples

Code Editor (JavaScript)

Colab (Python)

ee.Array.erf