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ee.Number.atan
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Calcola l'arcotangente in radianti dell'input.
| Utilizzo | Resi |
|---|
Number.atan() | Numero |
| Argomento | Tipo | Dettagli |
|---|
questo: input | Numero | Il valore dell'input. |
Esempi
Editor di codice (JavaScript)
print('Arctangent of -1e13', ee.Number(-1e13).atan()); // -1.570796326 (-π/2)
print('Arctangent of -1', ee.Number(-1).atan()); // -0.785398163
print('Arctangent of 0', ee.Number(0).atan()); // 0
print('Arctangent of 1', ee.Number(1).atan()); // 0.785398163
print('Arctangent of 1e13', ee.Number(1e13).atan()); // 1.570796326 (π/2)
Configurazione di Python
Consulta la pagina
Ambiente Python per informazioni sull'API Python e sull'utilizzo di
geemap per lo sviluppo interattivo.
import ee
import geemap.core as geemap
Colab (Python)
# -1.570796326 (-π/2)
print('Arctangent of -1e13:', ee.Number(-1e13).atan().getInfo())
print('Arctangent of -1:', ee.Number(-1).atan().getInfo()) # -0.785398163
print('Arctangent of 0:', ee.Number(0).atan().getInfo()) # 0
print('Arctangent of 1:', ee.Number(1).atan().getInfo()) # 0.785398163
# 1.570796326 (π/2)
print('Arctangent of 1e13:', ee.Number(1e13).atan().getInfo())
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eNumber.atan()\u003c/code\u003e calculates the arctangent of a given input number in radians.\u003c/p\u003e\n"],["\u003cp\u003eThe input to \u003ccode\u003eNumber.atan()\u003c/code\u003e is a single number, and the function returns the arctangent of that number.\u003c/p\u003e\n"],["\u003cp\u003eThe arctangent is the inverse of the tangent function, meaning it returns the angle whose tangent is the input value.\u003c/p\u003e\n"],["\u003cp\u003eThe function provides accurate calculations across a wide range of input values, including large positive and negative numbers, as well as zero.\u003c/p\u003e\n"]]],["The `atan()` function calculates the arctangent of a given number in radians. It accepts a numerical input and returns the corresponding arctangent value as a number. The function is demonstrated with examples using inputs of -1e13, -1, 0, 1, and 1e13, showcasing the output range from -π/2 to π/2. The code examples show implementation for JavaScript and Python, where the method is called on an input number, `Number.atan()` or `ee.Number().atan()`.\n"],null,["# ee.Number.atan\n\nComputes the arctangent in radians of the input.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------|---------|\n| Number.atan`()` | Number |\n\n| Argument | Type | Details |\n|---------------|--------|------------------|\n| this: `input` | Number | The input value. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint('Arctangent of -1e13', ee.Number(-1e13).atan()); // -1.570796326 (-π/2)\nprint('Arctangent of -1', ee.Number(-1).atan()); // -0.785398163\nprint('Arctangent of 0', ee.Number(0).atan()); // 0\nprint('Arctangent of 1', ee.Number(1).atan()); // 0.785398163\nprint('Arctangent of 1e13', ee.Number(1e13).atan()); // 1.570796326 (π/2)\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\n# -1.570796326 (-π/2)\nprint('Arctangent of -1e13:', ee.Number(-1e13).atan().getInfo())\nprint('Arctangent of -1:', ee.Number(-1).atan().getInfo()) # -0.785398163\nprint('Arctangent of 0:', ee.Number(0).atan().getInfo()) # 0\nprint('Arctangent of 1:', ee.Number(1).atan().getInfo()) # 0.785398163\n# 1.570796326 (π/2)\nprint('Arctangent of 1e13:', ee.Number(1e13).atan().getInfo())\n```"]]
