how will use nested loop

Question

manoj saini 2012-12-18

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hello my problem is that i have 11 value for any variable suppose i=1:11 and have another variable suppose b=2:12 also has 11 values now my question is that i want to find out value for i=1 for z=i*b total 11 values and for i=2 another 11 value of z and so on how i can use nested loop

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manoj saini 2012-12-19

for i=1 I want 11 values of i*b in one row for i=2 I want 11 values of i*b in one row for i=3 I want 11 values of i*b in one row AND SO ON..............

Walter Roberson 2012-12-19

Yes, and all of the Answers so far give you that.

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Answer 1

Muruganandham Subramanian 2012-12-19

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编辑：Muruganandham Subramanian 2012-12-19

在 MATLAB Online 中打开

try this:

z = zeros(11,11); 
for a=1:11 
  for b=2:12    
      z(a,b)=a*b;  
  end
end
z(:,1)=[];

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Walter Roberson 2012-12-19

You declare z as 11 x 11, but then you use it as 11 x 12.

Because of the way MATLAB handles assignments to non-existant locations, this will work, but it does indicate a logic fault on your part.

Muruganandham Subramanian 2012-12-19

编辑：Muruganandham Subramanian 2012-12-19

@walter..I agre your point..

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Answer 2

Babak 2012-12-18

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在 MATLAB Online 中打开

 Z = zeors(11,11);
 for i=1:11 
  for b=2:12 
   z=i*b; 
 end
end

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manoj saini 2012-12-19

sir now if my varible i=0.1:.11 and b also in point then how it will save

Image Analyst 2012-12-19

If the number you're multiplying by is a fractional number, like 0.1 or 0.11 then you'll have to separate your index from your number, like I think you originally had in your message where you had a and b instead of i and b. You could just make the loop index from 1 to 11 and then create the array index from it like arrayIndex = i / 10 and then use arrayIndex in z() or wherever.

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