Generalized gradient and contour program
Computer contribution
22
By: Marshall Strong Hellman
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Abstract
This program computes estimates of gradients, prepares contour maps, and plots various sets of data provided by the user on the CalComp plotters. The gradients represent the maximum rates of change of a real variable Z=f(X,Y) with respect to the twodimensional rectangle on which the function is defined. The contours are lines of equal Z values. The program also plots special line data sets provided by the user.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | Generalized gradient and contour program |
| Series title | Computer contribution |
| Series number | 22 |
| DOI | 10.3133/70039504 |
| Year Published | 1972 |
| Language | English |
| Publisher | Computer Center Division |
| Publisher location | Washington, D.C. |
| Description | iv, 87 p. |