Re: what am i doing wrong?
- To: mathgroup at smc.vnet.net
- Subject: [mg94518] Re: what am i doing wrong?
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 15 Dec 2008 07:46:44 -0500 (EST)
- References: <gi2usp$a53$1@smc.vnet.net>
Hi, you ave assigned a value to the varable npv ? Just clean this with npv=. Regards Jens stpatryck wrote: > In[111]:= npv[cf0_, cf1_, cf2_, cf3_, cf4_, cf5_] := -(cf0) + > cf1*(1/((1.12)^1)) + cf2*(1/((1.12)^2)) + cf3*(1/((1.12)^3)) + > cf4*(1/((1.12)^4)) + cf5*(1/((1.12)^5)); > > (* Plan A NPV *) > npv[3600000, 0, 0, 0, 0, 7000000] > > SetDelayed::write: Tag Real in 1304.33[cf0_,cf1_,cf2_,cf3_,cf4_,cf5_] > is Protected. >> > > Out[111]:= 1304.33[3600000, 0, 0, 0, 0, 7000000] >