ee.Number.gammainc

Calculates the regularized lower incomplete Gamma function γ(x,a).

Usage	Returns
Number.gammainc(right)	Number

Argument	Type	Details
this: left	Number	The left-hand value.
right	Number	The right-hand value.

Examples

Code Editor (JavaScript)

print('Lower incomplete gamma function for x = 0, a = 1',
      ee.Number(0).gammainc(1));  // 0

print('Lower incomplete gamma function for x = 1, a = 1',
      ee.Number(1).gammainc(1));  // 0.632120558

print('Lower incomplete gamma function for x = 10, a = 1',
      ee.Number(10).gammainc(1));  // 0.999954600

print('Lower incomplete gamma function for x = -1, a = 1',
      ee.Number(-1).gammainc(1));  // NaN

print('Lower incomplete gamma function for x = 10, a = -1',
      ee.Number(10).gammainc(-1));  // NaN

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('Lower incomplete gamma function for x = 0, a = 1:',
      ee.Number(0).gammainc(1).getInfo())  # 0

print('Lower incomplete gamma function for x = 1, a = 1:',
      ee.Number(1).gammainc(1).getInfo())  # 0.632120558

print('Lower incomplete gamma function for x = 10, a = 1:',
      ee.Number(10).gammainc(1).getInfo())  # 0.999954600

print('Lower incomplete gamma function for x = -1, a = 1:',
      ee.Number(-1).gammainc(1).getInfo())  # NaN

print('Lower incomplete gamma function for x = 10, a = -1:',
      ee.Number(10).gammainc(-1).getInfo())  # NaN