'For' loop for specified integers (more than one)
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Hello, I know that we can use for loop for specified integers like : for v=[1 5 23 99]. But I want to have more than one variable. I have to calculate every iteration in the loop with given initial condition (x,y,a). For example for:[ (x=1,y=0,a=0.2),(x=2,y=1,a=2) ] etc. Can I write it somehow ?
1 个评论
Adam
2016-5-10
Just put the other variables inside the loop as e.g.
a = a + 1;
回答（2 个）
KSSV
2016-5-10
P = [1 0 0.2 ; 2 1 2 ] ;
for i = 1:size(P,1)
x = P(i,1) ; y = P(i,2) ; a = P(i,3) ;
end
1 个评论
Note that you should not use i for variable names, as this is the name of the inbuilt imaginary unit:
Ditto for j, size, length, etc, etc.
The simplest solution is to use indexing:
X = [1,2,3]
Y = [0,1,2];
A = [0.2,2,20];
for k = 1:numel(A)
x = X(k)
y = Y(k)
a = A(k)
end
5 个评论
Eirini Gk
2016-5-10
Eirini Gk
2016-5-10
It would be easiest if you showed us the function, some example data, and what exactly you want to have at the output. Perhaps you could try something like this:
X = [1,2,3]
Y = [0,1,2];
A = [0.2,2,20];
out = cell(size(A));
for k = 1:numel(A)
x = X(k)
y = Y(k)
a = A(k)
out{k} = myFunction(x,y,a,...);
end
Eirini Gk
2016-5-10
Stephen23
2016-5-10
@Eirini Gk: Yes, it is just basic indexing. You just have to keep in mind that MATLAB indexing (like is common in mathematics) starts from one, not zero.
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