Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.Number.subtract
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Mengurangi nilai kedua dari nilai pertama.
| Penggunaan | Hasil |
|---|
Number.subtract(right) | Angka |
| Argumen | Jenis | Detail |
|---|
ini: left | Angka | Nilai sebelah kiri. |
right | Angka | Nilai sebelah kanan. |
Contoh
Code Editor (JavaScript)
print('5 - 10', ee.Number(5).subtract(10)); // -5
print('10 - 5', ee.Number(10).subtract(5)); // 5
print('5 - 10.2', ee.Number(5).subtract(10.2)); // -5.199999999
print('5 - -10.2', ee.Number(5).subtract(-10.2)); // 15.2
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)
print('5 - 10:', ee.Number(5).subtract(10).getInfo()) # -5
print('10 - 5:', ee.Number(10).subtract(5).getInfo()) # 5
print('5 - 10.2:', ee.Number(5).subtract(10.2).getInfo()) # -5.199999999
print('5 - -10.2:', ee.Number(5).subtract(-10.2).getInfo()) # 15.2
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\u003eNumber.subtract()\u003c/code\u003e is a method that subtracts the \u003ccode\u003eright\u003c/code\u003e value from the \u003ccode\u003eleft\u003c/code\u003e (this) value, returning the numerical difference.\u003c/p\u003e\n"],["\u003cp\u003eBoth \u003ccode\u003eleft\u003c/code\u003e and \u003ccode\u003eright\u003c/code\u003e arguments should be of type Number, allowing for subtraction operations between numerical values.\u003c/p\u003e\n"],["\u003cp\u003eThis method is available in both JavaScript and Python within the Earth Engine environment.\u003c/p\u003e\n"],["\u003cp\u003eThe examples provided demonstrate how the \u003ccode\u003esubtract()\u003c/code\u003e method can be used with various number inputs, including positive, negative and floating-point values.\u003c/p\u003e\n"]]],["The `subtract` method takes two numerical inputs: a `left` value (the initial number) and a `right` value (the number to subtract). It calculates the difference, returning the result as a Number. For instance, using `ee.Number(5).subtract(10)` computes 5 - 10, which results in -5. The method is available in both JavaScript and Python environments, with identical behavior. Python requires `geemap` for use. The examples show subtractions with integer and float values, including negative values.\n"],null,["# ee.Number.subtract\n\nSubtracts the second value from the first.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------------|---------|\n| Number.subtract`(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('5 - 10', ee.Number(5).subtract(10)); // -5\nprint('10 - 5', ee.Number(10).subtract(5)); // 5\nprint('5 - 10.2', ee.Number(5).subtract(10.2)); // -5.199999999\nprint('5 - -10.2', ee.Number(5).subtract(-10.2)); // 15.2\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\nprint('5 - 10:', ee.Number(5).subtract(10).getInfo()) # -5\nprint('10 - 5:', ee.Number(10).subtract(5).getInfo()) # 5\nprint('5 - 10.2:', ee.Number(5).subtract(10.2).getInfo()) # -5.199999999\nprint('5 - -10.2:', ee.Number(5).subtract(-10.2).getInfo()) # 15.2\n```"]]
