ee.Number.trigamma

  • Calculates the trigamma function for a given numerical input.

  • Accepts a single numerical input and returns the corresponding trigamma value as a number.

  • Provides examples in JavaScript and Python demonstrating the usage and output of the function with various input values.

 Computes the trigamma function of the input.

UsageReturns
Number.trigamma()Number
ArgumentTypeDetails
this: inputNumberThe input value.

Examples

Code Editor (JavaScript)

print('Trigamma for -100', ee.Number(-100).trigamma());  // Infinity
print('Trigamma for 0.001', ee.Number(0.001).trigamma());  // 1000001.642533195
print('Trigamma for 0.5', ee.Number(0.5).trigamma());  // 4.934802200
print('Trigamma for 1', ee.Number(1).trigamma());  // 1.644934066
print('Trigamma for 100', ee.Number(100).trigamma());  // 0.010050166
print('Trigamma for 200', ee.Number(200).trigamma());  // 0.005012520

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('Trigamma for -100:', ee.Number(-100).trigamma().getInfo())  # Infinity

# 1000001.642533195
print('Trigamma for 0.001:', ee.Number(0.001).trigamma().getInfo())
print('Trigamma for 0.5:', ee.Number(0.5).trigamma().getInfo())  # 4.934802200
print('Trigamma for 1:', ee.Number(1).trigamma().getInfo())  # 1.644934066
print('Trigamma for 100:', ee.Number(100).trigamma().getInfo())  # 0.010050166
print('Trigamma for 200:', ee.Number(200).trigamma().getInfo())  # 0.005012520