Finding the coordinates of a vector

In this publication, we will consider formulas with which you can find the coordinates of a vector given by the coordinates of its start and end points, and also analyze examples of solving problems on this topic.

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Finding the coordinates of a vector

To find the coordinates of a vector AB, you need to subtract the corresponding coordinates of the start point (A) from the coordinates of its end point (B).

Finding the coordinates of a vector

Formulas for determining the coordinates of a vector

For flat tasksFor XNUMXD tasksFor n-dimensional vectorsПримеры задач

Задание 1

Найдем координаты вектора AB, если у его точек следующие координаты: A = (2; 8), B = (5; 12).

Решение:

AB = {5 – 2; 12 – 8} = {3; 4}.

Задание 2

Определим координаты точки B вектора AB = {6; 14}, если координаты точки A = (2; 5).

Решение:

Координаты точки B можно вывести из формулы для расчета координат вектора:

Bx = ABx + Ax = 6 + 2 = 8.

By = ABy + Ay = 14 + 5 = 19.

Таким образом, B = (8; 19).

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