questions on assigning values from a vector

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Marrie
Marrie am 10 Dez. 2013
Bearbeitet: Wayne King am 10 Dez. 2013
Hi all,
I am trying to do this assignment:
x1=x(1);
x2=x(2);
.
.
xN=x(N);
How could I do it using a for loop so that I don't need to write them down explicitly. Thanks.

Akzeptierte Antwort

Wayne King
Wayne King am 10 Dez. 2013
Bearbeitet: Wayne King am 10 Dez. 2013
x = randn(10,1);
for nn = 1:10
eval(['x' int2str(nn),' = x(nn);']);
end
But eval() is pretty inefficient, so are you sure you want to do this. Anyway, you'll see that if you execute the above you will have variables x1, x2, ... x10 in your workspace

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Sean de Wolski
Sean de Wolski am 10 Dez. 2013
Bearbeitet: Sean de Wolski am 10 Dez. 2013
This is generally recommended against as it is much easier (not to mention faster) to manipulate a 1xn vector x than dealing with n scalar arrays.

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