how will use nested loop

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manoj saini
manoj saini el 18 de Dic. de 2012
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
  3 comentarios
manoj saini
manoj saini el 19 de Dic. de 2012
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
Walter Roberson el 19 de Dic. de 2012
Yes, and all of the Answers so far give you that.

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Respuesta aceptada

Muruganandham Subramanian
Muruganandham Subramanian el 19 de Dic. de 2012
Editada: Muruganandham Subramanian el 19 de Dic. de 2012
try this:
z = zeros(11,11);
for a=1:11
for b=2:12
z(a,b)=a*b;
end
end
z(:,1)=[];
  2 comentarios
Walter Roberson
Walter Roberson el 19 de Dic. de 2012
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
Muruganandham Subramanian el 19 de Dic. de 2012
Editada: Muruganandham Subramanian el 19 de Dic. de 2012
@walter..I agre your point..

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Más respuestas (3)

Babak
Babak el 18 de Dic. de 2012
Z = zeors(11,11);
for i=1:11
for b=2:12
z=i*b;
end
end
  4 comentarios
manoj saini
manoj saini el 19 de Dic. de 2012
sir now if my varible i=0.1:.11 and b also in point then how it will save
Image Analyst
Image Analyst el 19 de Dic. de 2012
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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Walter Roberson
Walter Roberson el 18 de Dic. de 2012
z = bsxfun(@times, i(:), b);

Sean de Wolski
Sean de Wolski el 18 de Dic. de 2012
Code golf:
z=i'*b
  1 comentario
Walter Roberson
Walter Roberson el 18 de Dic. de 2012
Provided "i" is not complex, which it normally is ;-)

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