RE: elementwise vector scalar subtraction

• To: mathgroup at smc.vnet.net
• Subject: [mg35637] RE: [mg35625] elementwise vector scalar subtraction
• From: "DrBob" <majort at cox-internet.com>
• Date: Wed, 24 Jul 2002 02:05:55 -0400 (EDT)
• Reply-to: <drbob at bigfoot.com>
• Sender: owner-wri-mathgroup at wolfram.com

```Try something like this:

t = {0, 1, 1.5, 2, 2.5, 4, 6, 8, 10, 15, 20, 30};
Remove @@ Names["tc*"]
(Evaluate@Symbol["tc" <> ToString@#] = {0}~Join~(Rest[t] - #/100.)) & /@
\
Range[15, 30, 5];
?tc*

Bobby Treat

-----Original Message-----
From: O.A. Linares, M.D., Ph.D. [mailto:divinesaam at aol.com]
To: mathgroup at smc.vnet.net
Subject: [mg35637] [mg35625] elementwise vector scalar subtraction

Dear Colleagues,

I have a t-vector

t = {0, 1, 1.5, 2, 2.5, 4, 6, 8, 10, 15, 20, 30};

I want to subtract 0.15 from each element except the first to get

tc15 = {0, 1 - 0.15, 1.50 - 0.15, 2 - 0.15, 2.5 - 0.15, 4 - 0.15, 6 -
0.15, 8 - 0.15, 10 - 0.15, 15 - 0.15, 20 - 0.15, 30 - 0.15};

I then want to subtract 0.20 to get

tc20 = {0, 1 - 0.20, 1.50 - 0.20, 2 - 0.20, 2.5 - 0.20, 4 - 0.20, 6 -
0.20, 8 - 0.20, 10 - 0.20, 15 - 0.20, 20 - 0.20, 30 - 0.20};

Is there a way to automate this process for n subtractions from 0.15
to 0.30 to yield individual t-vectors for tc15 through tc30 ?

With Much Appreciation,

Oscar

```

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