Re: Converting list of subscripted variables into an array
- To: mathgroup at smc.vnet.net
- Subject: [mg118325] Re: Converting list of subscripted variables into an array
- From: Alexei Boulbitch <alexei.boulbitch at iee.lu>
- Date: Fri, 22 Apr 2011 05:40:27 -0400 (EDT)
Chris,
what about the following:
Subscript[c1, 1] = {1.796875, 1.34375};
Subscript[c1, 2] = {2.15625, 1.34375};
Subscript[c1, 3] = {2.296875, 1.359375};
Subscript[c1, 4] = {2.375, 1.46875};
Subscript[c1, 5] = {2.46875, 1.671875};
Clear[u];
Do[u[1, j] = Subscript[c1, j], {j, 1, 5}]
u[1, 5]
{2.46875, 1.67188}
?? I write u[i,j] instead of C[i,j], since C is protected.
Or you may make a table out of it and simultaneously the array:
tab = Table[u[1, j] = Subscript[c1, j], {j, 1, 5}]
{{1.79688, 1.34375}, {2.15625, 1.34375}, {2.29688, 1.35938}, {2.375,
1.46875}, {2.46875, 1.67188}}
u[1, 1]
{1.79688, 1.34375}
Have fun. Alexei
I have a long list that's supposed to represent points on 9 different
curves. I'd like to put them into an array C[j,k] where j is the index for
the curves and k is the index for the points.
Subscript[c1, 1] = {1.796875, 1.34375}
Subscript[c1, 2] = {2.15625, 1.34375}
Subscript[c1, 3] = {2.296875, 1.359375}
Subscript[c1, 4] = {2.375, 1.46875}
Subscript[c1, 5] = {2.46875, 1.671875}
......
I'm new at pattern matching, and I'm having a hard time getting started
here. Can anyone steer me in the right direction?
Chris Young
cy56 at comcast.net
IntuMath.org
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