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ee.Number.gammainc
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根据您的偏好保存内容并对其进行分类。
计算正则化下不完全 Gamma 函数 γ(x,a)。
| 用法 | 返回 |
|---|
Number.gammainc(right) | 数字 |
| 参数 | 类型 | 详细信息 |
|---|
此：left | 数字 | 左侧值。 |
right | 数字 | 右侧值。 |
示例
代码编辑器 (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 设置
如需了解 Python API 和如何使用 geemap 进行交互式开发，请参阅
Python 环境页面。
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
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最后更新时间 (UTC)：2025-07-26。
[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003eCalculates the lower incomplete Gamma function, denoted as γ(x, a), where 'x' is the left-hand value and 'a' is the right-hand value.\u003c/p\u003e\n"],["\u003cp\u003eReturns a numerical value representing the result of the calculation or NaN if the input values are invalid (e.g., negative or undefined).\u003c/p\u003e\n"],["\u003cp\u003eAccessible through the \u003ccode\u003egammainc\u003c/code\u003e method applied to an \u003ccode\u003eee.Number\u003c/code\u003e object, taking the right-hand value ('a') as an argument.\u003c/p\u003e\n"],["\u003cp\u003eProvides examples in JavaScript, Python, and Colab demonstrating its usage and output.\u003c/p\u003e\n"]]],[],null,["# ee.Number.gammainc\n\nCalculates the regularized lower incomplete Gamma function γ(x,a).\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------|---------|\n| Number.gammainc`(right)` | Number |\n\n| Argument | Type | Details |\n|--------------|--------|-----------------------|\n| this: `left` | Number | The left-hand value. |\n| `right` | Number | The right-hand value. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint('Lower incomplete gamma function for x = 0, a = 1',\n ee.Number(0).gammainc(1)); // 0\n\nprint('Lower incomplete gamma function for x = 1, a = 1',\n ee.Number(1).gammainc(1)); // 0.632120558\n\nprint('Lower incomplete gamma function for x = 10, a = 1',\n ee.Number(10).gammainc(1)); // 0.999954600\n\nprint('Lower incomplete gamma function for x = -1, a = 1',\n ee.Number(-1).gammainc(1)); // NaN\n\nprint('Lower incomplete gamma function for x = 10, a = -1',\n ee.Number(10).gammainc(-1)); // NaN\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\nprint('Lower incomplete gamma function for x = 0, a = 1:',\n ee.Number(0).gammainc(1).getInfo()) # 0\n\nprint('Lower incomplete gamma function for x = 1, a = 1:',\n ee.Number(1).gammainc(1).getInfo()) # 0.632120558\n\nprint('Lower incomplete gamma function for x = 10, a = 1:',\n ee.Number(10).gammainc(1).getInfo()) # 0.999954600\n\nprint('Lower incomplete gamma function for x = -1, a = 1:',\n ee.Number(-1).gammainc(1).getInfo()) # NaN\n\nprint('Lower incomplete gamma function for x = 10, a = -1:',\n ee.Number(10).gammainc(-1).getInfo()) # NaN\n```"]]
