ee.Array.tanh
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Calcule la tangente hyperbolique de l'entrée, élément par élément.
Utilisation | Renvoie |
---|
Array.tanh() | Tableau |
Argument | Type | Détails |
---|
ceci : input | Tableau | Tableau d'entrée. |
Exemples
Éditeur de code (JavaScript)
print(ee.Array([-5]).tanh()); // [~ -1]
print(ee.Array([0]).tanh()); // [0]
print(ee.Array([5]).tanh()); // [~ 1]
var start = -5;
var end = 5;
var points = ee.Array(ee.List.sequence(start, end, null, 50));
var values = points.tanh();
// Plot tanh() defined above.
var chart = ui.Chart.array.values(values, 0, points)
.setOptions({
viewWindow: {min: start, max: end},
hAxis: {
title: 'x',
viewWindowMode: 'maximized',
ticks: [
{v: start},
{v: 0},
{v: end}]
},
lineWidth: 1,
pointSize: 0,
});
print(chart);
Configuration de Python
Consultez la page
Environnement Python pour en savoir plus sur l'API Python et sur l'utilisation de geemap
pour le développement interactif.
import ee
import geemap.core as geemap
Colab (Python)
import altair as alt
import pandas as pd
display(ee.Array([-5]).tanh()) # [~ -1]
display(ee.Array([0]).tanh()) # [0]
display(ee.Array([5]).tanh()) # [~ 1]
start = -5
end = 5
points = ee.Array(ee.List.sequence(start, end, None, 50))
values = points.tanh()
df = pd.DataFrame({'x': points.getInfo(), 'tanh(x)': values.getInfo()})
# Plot tanh() defined above.
alt.Chart(df).mark_line().encode(
x=alt.X('x'),
y=alt.Y('tanh(x)', axis=alt.Axis(values=[start, 0, end]))
)
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/07/26 (UTC).
[null,null,["Dernière mise à jour le 2025/07/26 (UTC)."],[[["\u003cp\u003eCalculates the hyperbolic tangent of each element in an input array.\u003c/p\u003e\n"],["\u003cp\u003eReturns a new array with the calculated hyperbolic tangent values.\u003c/p\u003e\n"],["\u003cp\u003eAccepts a single argument: the input array.\u003c/p\u003e\n"],["\u003cp\u003eUsable in both JavaScript and Python environments within Google Earth Engine.\u003c/p\u003e\n"]]],["The core function is `Array.tanh()`, which calculates the hyperbolic tangent of each element in an input array. It accepts an array as input and returns a new array containing the element-wise hyperbolic tangent values. Example usages are demonstrated with inputs of -5, 0, and 5, showing outputs of approximately -1, 0, and 1, respectively. The code provides a visual plot of the function, illustrating the input values and the associated output from -5 to 5.\n"],null,["# ee.Array.tanh\n\nOn an element-wise basis, computes the hyperbolic tangent of the input.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------|---------|\n| Array.tanh`()` | Array |\n\n| Argument | Type | Details |\n|---------------|-------|------------------|\n| this: `input` | Array | The input array. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint(ee.Array([-5]).tanh()); // [~ -1]\nprint(ee.Array([0]).tanh()); // [0]\nprint(ee.Array([5]).tanh()); // [~ 1]\n\nvar start = -5;\nvar end = 5;\nvar points = ee.Array(ee.List.sequence(start, end, null, 50));\nvar values = points.tanh();\n\n// Plot tanh() defined above.\nvar chart = ui.Chart.array.values(values, 0, points)\n .setOptions({\n viewWindow: {min: start, max: end},\n hAxis: {\n title: 'x',\n viewWindowMode: 'maximized',\n ticks: [\n {v: start},\n {v: 0},\n {v: end}]\n },\n lineWidth: 1,\n pointSize: 0,\n });\nprint(chart);\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\nimport altair as alt\nimport pandas as pd\n\ndisplay(ee.Array([-5]).tanh()) # [~ -1]\ndisplay(ee.Array([0]).tanh()) # [0]\ndisplay(ee.Array([5]).tanh()) # [~ 1]\n\nstart = -5\nend = 5\npoints = ee.Array(ee.List.sequence(start, end, None, 50))\nvalues = points.tanh()\n\ndf = pd.DataFrame({'x': points.getInfo(), 'tanh(x)': values.getInfo()})\n\n# Plot tanh() defined above.\nalt.Chart(df).mark_line().encode(\n x=alt.X('x'),\n y=alt.Y('tanh(x)', axis=alt.Axis(values=[start, 0, end]))\n)\n```"]]