ee.Array.pow

On an element-wise basis, raises the first value to the power of the second.
Usage Returns
Array. pow (right) Array
Argument Type Details
this: left
Array The left-hand value.
right
Array The right-hand value.

Examples

Code Editor (JavaScript)

 var 
  
 empty 
  
 = 
  
 ee 
 . 
 Array 
 ([], 
  
 ee 
 . 
 PixelType 
 . 
 int8 
 ()); 
 print 
 ( 
 empty 
 . 
 pow 
 ( 
 empty 
 )); 
  
 // [] 
 // [0.25,-0.5,1,-2,4,-8] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 2 
 , 
  
 - 
 2 
 , 
  
 - 
 2 
 , 
  
 - 
 2 
 , 
  
 - 
 2 
 , 
  
 - 
 2 
 ]). 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // [1,-1,1,-1,1,-1] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 1 
 , 
  
 - 
 1 
 , 
  
 - 
 1 
 , 
  
 - 
 1 
 , 
  
 - 
 1 
 , 
  
 - 
 1 
 ]). 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // print(ee.Array([0, 0, 0, 0, 0, 0]).pow([-2, -1, 0, 1, 2, 3])); 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 , 
  
 0 
 , 
  
 0 
 , 
  
 0 
 ]). 
 pow 
 ([ 
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // [1,1,1,1,1,1] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 1 
 , 
  
 1 
 , 
  
 1 
 , 
  
 1 
 , 
  
 1 
 , 
  
 1 
 ]). 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // [0.25,0.5,1,2,4,8] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 2 
 , 
  
 2 
 , 
  
 2 
 , 
  
 2 
 , 
  
 2 
 , 
  
 2 
 ]). 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // [0.009999999776482582, 
 //  0.10000000149011612, 
 //  1, 
 //  10, 
 //  100, 
 //  1000] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 ]). 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 
 // [0.009999999776482582, 
 //  0.10000000149011612, 
 //  1, 
 //  10, 
 //  100, 
 //  1000] 
 print 
 ( 
 ee 
 . 
 Array 
 ([ 
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 , 
  
 10 
 ], 
  
 ee 
 . 
 PixelType 
 . 
 int32 
 ()) 
  
 . 
 pow 
 ([ 
 - 
 2 
 , 
  
 - 
 1 
 , 
  
 0 
 , 
  
 1 
 , 
  
 2 
 , 
  
 3 
 ])); 

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)

 empty 
 = 
 ee 
 . 
 Array 
 ([], 
 ee 
 . 
 PixelType 
 . 
 int8 
 ()) 
 display 
 ( 
 empty 
 . 
 pow 
 ( 
 empty 
 )) 
 # [] 
 # [0.25, -0.5, 1, -2, 4, -8] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 2 
 , 
 - 
 2 
 , 
 - 
 2 
 , 
 - 
 2 
 , 
 - 
 2 
 , 
 - 
 2 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [1, -1, 1, -1, 1, -1] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 - 
 1 
 , 
 - 
 1 
 , 
 - 
 1 
 , 
 - 
 1 
 , 
 - 
 1 
 , 
 - 
 1 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # ['Infinity', 'Infinity', 1, 0, 0, 0] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 , 
 0 
 , 
 0 
 , 
 0 
 , 
 0 
 , 
 0 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [1, 0, 0, 0] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 0 
 , 
 0 
 , 
 0 
 , 
 0 
 ]) 
 . 
 pow 
 ([ 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [1, 1, 1, 1, 1, 1] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 1 
 , 
 1 
 , 
 1 
 , 
 1 
 , 
 1 
 , 
 1 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [0.25, 0.5, 1, 2, 4, 8] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 2 
 , 
 2 
 , 
 2 
 , 
 2 
 , 
 2 
 , 
 2 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [0.009999999776482582, 
 #  0.10000000149011612, 
 #  1, 
 #  10, 
 #  100, 
 #  1000] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 ]) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
 # [0.009999999776482582, 
 #  0.10000000149011612, 
 #  1, 
 #  10, 
 #  100, 
 #  1000] 
 display 
 ( 
 ee 
 . 
 Array 
 ([ 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 , 
 10 
 ], 
 ee 
 . 
 PixelType 
 . 
 int32 
 ()) 
 . 
 pow 
 ([ 
 - 
 2 
 , 
 - 
 1 
 , 
 0 
 , 
 1 
 , 
 2 
 , 
 3 
 ])) 
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