x(i) = (r+h(theta(i)/120-(1/(2*pi))*sin(2*pi*theta(i)/120)))*cos(theta(i))-(h/120-(1/120)*cos(theta(i)*2*pi/120))*sin(theta(i));
时间: 2023-11-16 10:04:26 浏览: 23
This is an equation for the x-coordinate of a point on a 3D spiral helix, where r is the radius of the helix, h is the height between each turn of the helix, and theta(i) is the angle of rotation around the helix at the i-th point.
The first part of the equation, (r h(theta(i)/120-(1/(2*pi))*sin(2*pi*theta(i)/120))) * cos(theta(i)), determines the distance from the center of the helix to the point on the x-y plane. This is affected by the radius of the helix (r), the height between each turn (h), and the angle of rotation (theta(i)).
The second part of the equation, -(h/120-(1/120)*cos(theta(i)*2*pi/120))*sin(theta(i)), determines the height of the point along the z-axis of the helix. This is affected by the height between each turn (h) and the angle of rotation (theta(i)).
Overall, this equation describes the 3D shape of a spiral helix based on its radius, height between turns, and angle of rotation.