ee.Number.hypot

計算 2D 向量 [x, y] 的大小。

用量傳回
Number.hypot(right)數字
引數類型詳細資料
這個：left數字左側值。
right數字右側值。

範例

程式碼編輯器 (JavaScript)

// Left input is x and right input is y, representing point (x,y).
print('Length from origin to point (0,0)', ee.Number(0).hypot(0));  // 0
print('Length from origin to point (3,0)', ee.Number(3).hypot(0));  // 3
print('Length from origin to point (3,4)', ee.Number(3).hypot(4));  // 5
print('Length from origin to point (-3,4)', ee.Number(-3).hypot(4));  // 5
print('Length from origin to point (-3,-4)', ee.Number(-3).hypot(-4));  // 5

Python 設定

請參閱 Python 環境頁面，瞭解 Python API 和如何使用 geemap 進行互動式開發。

import ee
import geemap.core as geemap

Colab (Python)

# Left input is x and right input is y, representing point (x,y).
# 0
display('Length from origin to point (0,0):', ee.Number(0).hypot(0))
# 3
display('Length from origin to point (3,0):', ee.Number(3).hypot(0))
# 5
display('Length from origin to point (3,4):', ee.Number(3).hypot(4))
# 5
display('Length from origin to point (-3,4):', ee.Number(-3).hypot(4))
# 5
display('Length from origin to point (-3,-4):', ee.Number(-3).hypot(-4))