       Re: About function to evaluation

• To: mathgroup at smc.vnet.net
• Subject: [mg74483] Re: [mg74473] About function to evaluation
• From: bsyehuda at gmail.com
• Date: Fri, 23 Mar 2007 18:59:02 -0500 (EST)

```one last comment
a pattern matching approach is also an elegant solution
data/.{y_,x_,z_}->f[x,y]
yehuda

On 3/22/07, Evanescence <origine26 at yahoo.com.tw> wrote:
>
> Hello Dear all:
> My questions are as follows:
> First I definite a function is f[x_,y_]:=2x+3y
> Then I have a list is data={{1,2,0},{2,3,0},{4,1,0},{6,3,0},{1,3,0}}
> For example{y,x,z}={1,2,0}    {y,x,z}={2,3,0}  {y,x,z}={4,1,0}
> {y,x,z}={6,3,0} {y,x,z}={1,3,0}
> I want to take the list data to the function to get the function
> values.
> Then express the form as follows at last
>
>    x     y     f[x,y]
>    2     1       7
>    3     2      12
>    1     4      14
>    3     6      24
>    3     1       9
>
> PS: The z values is zero overall.
> Please tell me how to get the function values in the list
> Thank you very much
> Evanescence 2007 03 21
>
>
>

```

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