Re:Deriviation d/dt(x(t))
- To: mathgroup at smc.vnet.net
- Subject: [mg27439] Re:Deriviation d/dt(x(t))
- From: bghiggins at ucdavis.edu (Brian Higgins)
- Date: Sun, 25 Feb 2001 20:55:43 -0500 (EST)
- Organization: The Math Forum
- References: <97a6up$akb@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Try this: In[1467]:=D[x[t]^2 + y[t]^2 == 8, t] Out[148]=2 x[t] x'[t] + 2 y[t] y'[t] == 0 Brian