With what code can I make Matlab do this operation automatically

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Ricardo Gutierrez
Ricardo Gutierrez 2018-1-23
评论： Star Strider 2018-1-24
Good morning.
I hope you can help me.
How can I enter the elements of a vectror automatically in the formula, to obtain the value of E and then introduce the elements of the next vector. Everything automatically.
____________________________
clc; clear; close all
x1=[1 2 3 4 5 6 7 8 9 10]
x2=[2 4 6 8 1 3 5 2 3 1]
x3=[2 1 4 2 6 4 8 3 8 3]
E=exp(x1(1))+exp(x1(2))+exp(x1(3))+exp(x1(4))+exp(x1(5))+exp(x1(6))+exp(x1(7))+exp(x1(8))+exp(x1(9))+exp(x1(10))
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Regards
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Ricardo Gutierrez
Ricardo Gutierrez 2018-1-23
First thanks for answering. I have E1 is evaluated with the vector A0, now it is necessary to evaluate with the vector A1 and A2. Evaluate A0, A1 and A2 automatically. Thanks and regards

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Star Strider
Star Strider 2018-1-23
编辑：Star Strider 2018-1-23
Try this:
E = sum(exp(x1))
E =
34.8438
You can also create an anonymous function to do this:
Efcn = @(x) sum(exp(x));
E = Efcn(x1)
and use it as you would any other function.
EDIT — (23 Jan 2018 21:38 UCT)
To do all of them at once:
x1=[1 2 3 4 5 6 7 8 9 10];
x2=[2 4 6 8 1 3 5 2 3 1];
x3=[2 1 4 2 6 4 8 3 8 3];
E = sum(arrayfun(@exp, [x1; x2; x3]), 2)
E =
34.8438
3.6478
6.5322

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