外積的意思、翻譯和例句

是什麼意思

「外積」是向量運算中的一種,主要用於三維空間中兩個向量的運算。外積的結果是一個新的向量,這個向量的方向垂直於原來的兩個向量所構成的平面,並且其大小等於這兩個向量所形成的平行四邊形的面積。外積的計算在物理學、工程學以及計算機圖形學等領域中有著廣泛的應用。

依照不同程度的英文解釋

  1. A way to combine two lines to make a new line.
  2. An operation with two arrows that gives another arrow.
  3. A method to find a new direction from two vectors.
  4. A calculation that results in a vector perpendicular to two others.
  5. A mathematical operation that produces a vector from two others in three-dimensional space.
  6. A vector operation that gives a new vector orthogonal to the plane formed by two original vectors.
  7. An operation that yields a vector whose magnitude is the area of the parallelogram formed by two vectors.
  8. A vector product that represents the area and orientation of a parallelogram defined by two vectors.
  9. A mathematical operation that results in a vector orthogonal to the plane defined by two vectors, with magnitude equal to the area of the parallelogram they span.
  10. A product of two vectors that results in a vector perpendicular to both, often used in physics and engineering.

相關英文單字或片語的差別與用法

1:Cross product

用法:

在向量運算中,外積的英文表達,特別是在三維空間中,通常用來計算兩個向量所形成的平面上的垂直向量。這個運算的結果是一個新的向量,且其方向遵循右手定則。它在物理學中常用於計算力矩、旋轉等概念。

例句及翻譯:

例句 1:

計算兩個向量的外積可以得到它們所形成平面上的法向量。

Calculating the cross product of two vectors gives the normal vector to the plane they form.

例句 2:

在物理中,力矩可以用外積來計算。

In physics, torque can be calculated using the cross product.

例句 3:

這兩個向量的外積會給出一個垂直於它們的向量。

The cross product of these two vectors will yield a vector perpendicular to both.

2:Vector product

用法:

外積的另一種稱呼,通常在討論向量運算時使用。這個術語強調了外積的性質,即它是由兩個向量生成的結果,並且通常用於物理學和工程學的背景中。

例句及翻譯:

例句 1:

在計算中,我們需要確保正確使用向量積的公式。

In the calculations, we need to ensure that we correctly use the formula for the vector product.

例句 2:

向量積的結果是與原始向量垂直的新的向量。

The result of the vector product is a new vector that is perpendicular to the original vectors.

例句 3:

在三維空間中,向量積的計算非常重要。

Calculating the vector product in three-dimensional space is very important.