Examples of 'directrix' in a sentence
Meaning of "directrix"
directrix (noun) - In mathematics, this term refers to a fixed line used to define a curve or other geometric object. It is commonly used in geometry and calculus to describe the guiding line for specific shapes
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- A female who directs; a directress.
- A line used to define a curve or surface; especially a line, the distance from which a point on a conic has a constant ratio to that from the focus.
How to use "directrix" in a sentence
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directrix
Select the directrix of the new conic.
Construct a conic with this line as directrix.
Select the directrix of the new parabola.
A parabola defined by its directrix and focus.
Hence the directrix consists of singular points.
An elliptic cylinder is a cylinder whose directrix is an ellipse.
The directrix curve may be open or closed.
The tangent at vertex is parallel to the directrix.
The directrix will have the equation.
Construct a parabola with this directrix.
Construct the directrix of this conic.
A cylinder is called a circular cylinder if its directrix is a circle.
And then the directrix is the line y is equal to k.
Equation of the parabola from focus and directrix.
So our directrix is going to be right down here.
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How to define the focus and directrix of a parabola.
The directrix is going to look like this.
A parabola with focus and directrix.
Said directrix may be straight or curved.
So let us call that a directrix.
The envelope of the directrix of the parabola is also a catenary.
The equation of the directrix.
The directrix line of a conic.
Let p be the distance from the focus to the directrix.
So your directrix is going to be right there.
Select the conic of which you want to construct the directrix.
If the directrix is a circle the conoid is called circular conoid.
Line of the directrix.
The directrix is also called the section of the cylinder.
Thus the focus and directrix are pole and polar.
Just so you get the terminology we will call this line a directrix.
One may consider the directrix of a circle to be the line at infinity.
For any cone one can choose the apex as the directrix.
Find the directrix.
The vertex is always halfway between the focus and the directrix.
Do as said directrix.
The distance from the focus is equal to the distance from the directrix.
Meaning of directrix.
The parabola consists of all points equidistant from the focus and the directrix.
The directrix can comprise a central part convex towards the front lying between two concave parts.
Locus of all points that are equidistant to a point and a directrix that it is a parabola.
The focus and directrix of an ellipse were considered by Pappus.
The midpoint between the focus and the directrix is the vertex.
Directrix of a Conic.
The point is called the focus and the line is the directrix.
In another embodiment, the directrix curve is elliptical.
The plane of the optical cavity corresponds to the plane of the directrix curve.
In another embodiment, the directrix curve is a circle.
The fixed point is the Focus and the fixed straight line is the Directrix.
The directrix is going to be there, the focal point is there.
