Re: Tabulating expressions dependent on two variables
- To: mathgroup at smc.vnet.net
- Subject: [mg112412] Re: Tabulating expressions dependent on two variables
- From: Ray Koopman <koopman at sfu.ca>
- Date: Wed, 15 Sep 2010 04:35:57 -0400 (EDT)
- References: <i6ned2$g8l$1@smc.vnet.net>
On Sep 14, 2:14 am, Leslaw Bieniasz <nbbie... at cyf-kr.edu.pl> wrote:
> Hi,
>
> How should one modify the following code, in order to accurately tabulate
> a function f[x,y] of two variables, instead of the function f[y] of one
> variable? The values of x and y should be all combinations of the values
> of y indicated below.
>
> Leslaw
>
> -----------------
>
> In[1]:= Table[{N[y],SetPrecision[f[y], 70],Precision[f[y]]},
> {y, {
> 1/10^19, 2/10^19, 5/10^19,
> 1/10^18, 2/10^18, 5/10^18,
> 1/10^17, 2/10^17, 5/10^17,
> 1/10^16, 2/10^16, 5/10^16,
> 1/10^15, 2/10^15, 5/10^15,
> 1/10^14, 2/10^14, 5/10^14,
> 1/10^13, 2/10^13, 5/10^13,
> 1/10^12, 2/10^12, 5/10^12,
> 1/10^11, 2/10^11, 5/10^11,
> 1/10^10, 2/10^10, 5/10^10,
> 1/10^9, 2/10^9, 5/10^9,
> 1/10^8, 2/10^8, 5/10^8,
> 1/10^7, 2/10^7, 5/10^7,
> 1/10^6, 2/10^6, 5/10^6,
> 1/10^5, 2/10^5, 5/10^5,
> 1/10^4, 2/10^4, 5/10^4,
> 1/10^3, 2/10^3, 5/10^3,
> 1/10^2, 2/10^2, 5/10^2,
> 1/10^1, 2/10^1, 5/10^1,
> 10^0, 2 10^0, 5 10^0,
> 10^1, 2 10^1, 5 10^1,
> 10^2, 2 10^2, 5 10^2,
> 10^3, 2 10^3, 5 10^3,
> 10^4, 2 10^4, 5 10^4,
> 10^5, 2 10^5, 5 10^5,
> 10^6, 2 10^6, 5 10^6,
> 10^7, 2 10^7, 5 10^7,
> 10^8, 2 10^8, 5 10^8,
> 10^9, 2 10^9, 5 10^9,
> 10^10, 2 10^10, 5 10^10,
> 10^11, 2 10^11, 5 10^11,
> 10^12, 2 10^12, 5 10^12,
> 10^13, 2 10^13, 5 10^13,
> 10^14, 2 10^14, 5 10^14,
> 10^15, 2 10^15, 5 10^15
>
> }}]
> TableForm[%]
r = Flatten@Table[{1,2,5}*10^m,{m,-19,15}];
Table[{x,y,f[x,y]},{x,r},{y,r}]