Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.Array.pow
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Berdasarkan elemen, menaikkan nilai pertama ke pangkat nilai kedua.
| Penggunaan | Hasil |
|---|
Array.pow(right) | Array |
| Argumen | Jenis | Detail |
|---|
ini: left | Array | Nilai sebelah kiri. |
right | Array | Nilai sebelah kanan. |
Contoh
Code Editor (JavaScript)
var empty = ee.Array([], ee.PixelType.int8());
print(empty.pow(empty)); // []
// [0.25,-0.5,1,-2,4,-8]
print(ee.Array([-2, -2, -2, -2, -2, -2]).pow([-2, -1, 0, 1, 2, 3]));
// [1,-1,1,-1,1,-1]
print(ee.Array([-1, -1, -1, -1, -1, -1]).pow([-2, -1, 0, 1, 2, 3]));
// print(ee.Array([0, 0, 0, 0, 0, 0]).pow([-2, -1, 0, 1, 2, 3]));
print(ee.Array([0, 0, 0, 0]).pow([0, 1, 2, 3]));
// [1,1,1,1,1,1]
print(ee.Array([1, 1, 1, 1, 1, 1]).pow([-2, -1, 0, 1, 2, 3]));
// [0.25,0.5,1,2,4,8]
print(ee.Array([2, 2, 2, 2, 2, 2]).pow([-2, -1, 0, 1, 2, 3]));
// [0.009999999776482582,
// 0.10000000149011612,
// 1,
// 10,
// 100,
// 1000]
print(ee.Array([10, 10, 10, 10, 10, 10]).pow([-2, -1, 0, 1, 2, 3]));
// [0.009999999776482582,
// 0.10000000149011612,
// 1,
// 10,
// 100,
// 1000]
print(ee.Array([10, 10, 10, 10, 10, 10], ee.PixelType.int32())
.pow([-2, -1, 0, 1, 2, 3]));
Penyiapan Python
Lihat halaman
Lingkungan Python untuk mengetahui informasi tentang Python API dan penggunaan
geemap untuk pengembangan interaktif.
import ee
import geemap.core as geemap
Colab (Python)
empty = ee.Array([], ee.PixelType.int8())
display(empty.pow(empty)) # []
# [0.25, -0.5, 1, -2, 4, -8]
display(ee.Array([-2, -2, -2, -2, -2, -2]).pow([-2, -1, 0, 1, 2, 3]))
# [1, -1, 1, -1, 1, -1]
display(ee.Array([-1, -1, -1, -1, -1, -1]).pow([-2, -1, 0, 1, 2, 3]))
# ['Infinity', 'Infinity', 1, 0, 0, 0]
display(ee.Array([0, 0, 0, 0, 0, 0]).pow([-2, -1, 0, 1, 2, 3]))
# [1, 0, 0, 0]
display(ee.Array([0, 0, 0, 0]).pow([0, 1, 2, 3]))
# [1, 1, 1, 1, 1, 1]
display(ee.Array([1, 1, 1, 1, 1, 1]).pow([-2, -1, 0, 1, 2, 3]))
# [0.25, 0.5, 1, 2, 4, 8]
display(ee.Array([2, 2, 2, 2, 2, 2]).pow([-2, -1, 0, 1, 2, 3]))
# [0.009999999776482582,
# 0.10000000149011612,
# 1,
# 10,
# 100,
# 1000]
display(ee.Array([10, 10, 10, 10, 10, 10]).pow([-2, -1, 0, 1, 2, 3]))
# [0.009999999776482582,
# 0.10000000149011612,
# 1,
# 10,
# 100,
# 1000]
display(ee.Array([10, 10, 10, 10, 10, 10], ee.PixelType.int32())
.pow([-2, -1, 0, 1, 2, 3]))
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
Terakhir diperbarui pada 2025-07-26 UTC.
[null,null,["Terakhir diperbarui pada 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eArray.pow()\u003c/code\u003e calculates the element-wise power of one array by another, returning a new array with the results.\u003c/p\u003e\n"],["\u003cp\u003eThe left array (\u003ccode\u003ethis\u003c/code\u003e) provides the base values, while the right array (\u003ccode\u003eright\u003c/code\u003e) provides the exponents.\u003c/p\u003e\n"],["\u003cp\u003eBoth input arrays should have the same number of elements for the operation to be performed element-wise.\u003c/p\u003e\n"],["\u003cp\u003eIf the input arrays are empty, an empty array is returned.\u003c/p\u003e\n"]]],["The `Array.pow(right)` function raises each element in the `left` array to the power of the corresponding element in the `right` array. Both arguments are arrays and the function returns an array. The operation is performed element-wise. The examples demonstrate various scenarios, including negative exponents, zero values, and different input values and types. The function handles empty arrays and returns the corresponding result. The function is available in Javascript and Python.\n"],null,["# ee.Array.pow\n\nOn an element-wise basis, raises the first value to the power of the second.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------|---------|\n| Array.pow`(right)` | Array |\n\n| Argument | Type | Details |\n|--------------|-------|-----------------------|\n| this: `left` | Array | The left-hand value. |\n| `right` | Array | The right-hand value. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nvar empty = ee.Array([], ee.PixelType.int8());\nprint(empty.pow(empty)); // []\n\n// [0.25,-0.5,1,-2,4,-8]\nprint(ee.Array([-2, -2, -2, -2, -2, -2]).pow([-2, -1, 0, 1, 2, 3]));\n\n// [1,-1,1,-1,1,-1]\nprint(ee.Array([-1, -1, -1, -1, -1, -1]).pow([-2, -1, 0, 1, 2, 3]));\n\n// print(ee.Array([0, 0, 0, 0, 0, 0]).pow([-2, -1, 0, 1, 2, 3]));\nprint(ee.Array([0, 0, 0, 0]).pow([0, 1, 2, 3]));\n\n// [1,1,1,1,1,1]\nprint(ee.Array([1, 1, 1, 1, 1, 1]).pow([-2, -1, 0, 1, 2, 3]));\n\n// [0.25,0.5,1,2,4,8]\nprint(ee.Array([2, 2, 2, 2, 2, 2]).pow([-2, -1, 0, 1, 2, 3]));\n\n// [0.009999999776482582,\n// 0.10000000149011612,\n// 1,\n// 10,\n// 100,\n// 1000]\nprint(ee.Array([10, 10, 10, 10, 10, 10]).pow([-2, -1, 0, 1, 2, 3]));\n\n// [0.009999999776482582,\n// 0.10000000149011612,\n// 1,\n// 10,\n// 100,\n// 1000]\nprint(ee.Array([10, 10, 10, 10, 10, 10], ee.PixelType.int32())\n .pow([-2, -1, 0, 1, 2, 3]));\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\nempty = ee.Array([], ee.PixelType.int8())\ndisplay(empty.pow(empty)) # []\n\n# [0.25, -0.5, 1, -2, 4, -8]\ndisplay(ee.Array([-2, -2, -2, -2, -2, -2]).pow([-2, -1, 0, 1, 2, 3]))\n\n# [1, -1, 1, -1, 1, -1]\ndisplay(ee.Array([-1, -1, -1, -1, -1, -1]).pow([-2, -1, 0, 1, 2, 3]))\n\n# ['Infinity', 'Infinity', 1, 0, 0, 0]\ndisplay(ee.Array([0, 0, 0, 0, 0, 0]).pow([-2, -1, 0, 1, 2, 3]))\n\n# [1, 0, 0, 0]\ndisplay(ee.Array([0, 0, 0, 0]).pow([0, 1, 2, 3]))\n\n# [1, 1, 1, 1, 1, 1]\ndisplay(ee.Array([1, 1, 1, 1, 1, 1]).pow([-2, -1, 0, 1, 2, 3]))\n\n# [0.25, 0.5, 1, 2, 4, 8]\ndisplay(ee.Array([2, 2, 2, 2, 2, 2]).pow([-2, -1, 0, 1, 2, 3]))\n\n# [0.009999999776482582,\n# 0.10000000149011612,\n# 1,\n# 10,\n# 100,\n# 1000]\ndisplay(ee.Array([10, 10, 10, 10, 10, 10]).pow([-2, -1, 0, 1, 2, 3]))\n\n# [0.009999999776482582,\n# 0.10000000149011612,\n# 1,\n# 10,\n# 100,\n# 1000]\ndisplay(ee.Array([10, 10, 10, 10, 10, 10], ee.PixelType.int32())\n .pow([-2, -1, 0, 1, 2, 3]))\n```"]]
