Directrix
Summary
A directrix of a conic is a line with the following property. For each point of the conic, the distance to a focus divided by the distance to the line is the same constant. This constant is the eccentricity.
What this node needs for W1
- an inventory row: the row of the inventory that the node accounts for (0 of 1)
The writing levels say how complete the text of a node is. They do not measure its truth.
What depends on this
1 node uses this node, directly or through other nodes.
- Eccentricity 0GCWJS2EGB
Sources
- Web https://en.wikipedia.org/wiki/Conic_section, Eccentricity, focus and directrix
What links here
Definitions
- Directrix 081YA6RCX6
Used by
- Eccentricity 0GCWJS2EGB