Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
sage: var('r t theta phi')
(r, t, theta, phi)
sage: m = matrix(SR, [[(1-1/r),0,0,0],[0,-(1-1/r)^(-1),0,0],[0,0,-r^2,0],[0,0,0,-r^2*(sin(theta))^2]])
sage: print m
Solution by:
<jaimin>, <student>, <Organization>
<Your Name>, <Profession>, <Organization>