Re: what am i doing wrong?
- To: mathgroup at smc.vnet.net
- Subject: [mg94521] Re: [mg94485] what am i doing wrong?
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Mon, 15 Dec 2008 07:47:16 -0500 (EST)
- References: <200812141241.HAA10411@smc.vnet.net>
- Reply-to: drmajorbob at longhorns.com
The error message, which includes "1304.33[cf0_,cf1_,cf2_,cf3_,cf4_,cf5_]" tells us that npr already had a value (1304.33). It also tells us that the tags on Real values are protected. That is, you can't define a function called 1304.33. Bobby On Sun, 14 Dec 2008 06:41:01 -0600, stpatryck <stpatryck at gmail.com> 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] > -- DrMajorBob at longhorns.com
- References:
- what am i doing wrong?
- From: stpatryck <stpatryck@gmail.com>
- what am i doing wrong?