File: vector.dem

package info (click to toggle)
maxima 5.49.0-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 128,980 kB
  • sloc: lisp: 437,854; fortran: 14,665; tcl: 10,143; sh: 4,598; makefile: 2,204; ansic: 447; java: 374; python: 262; perl: 201; xml: 60; awk: 28; sed: 15; javascript: 2
file content (12 lines) | stat: -rw-r--r-- 451 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
 
load("vector");

/* *****  This DEMO appears to be broken.  Please use the VECT 
package on the SHARE directory. - JPG 6/5/78  ***** */

/* First, we establish p, q, f, and g as vector entities: */
declare([p, q, f, g], nonscalar);
/* To attempt to prove the following vector identity: */
p cross q dotdel f cross g + q cross f dotdel p cross g +
	f cross p dotdel q cross g = 0;
/* Now determine the expansion of: */
laplacian %pi*(s+h) = div 3*s*p;