I want to change value of a variable after every 10 iterations

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Ahmad Hasnain
Ahmad Hasnain 2019-2-15
评论： Walter Roberson 2019-2-15
I am doing 100 iterations. I have a variable gamma that multiplies with a vector a. I want to update the value of gamma after every 10 iterations. I wrote a For loop but I can't seem to figure out how to update it after every ten iterations.
iter = 0;
while iter<100
iter = iter + 1;
a = vector;
constt = sqrt(10);
gamma = 10^-8;
for k = 1:10
f(?) = gamma(?) * a'*(1-a);
gamma(k+1) = constt * gamma(k);
end
end
I need to calculate f with different values of gamma after every 10 iterations. I am not sure what will be the indexing for f and gamma in the equation.

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回答（1 个）

Walter Roberson
Walter Roberson 2019-2-15
for iter = 1:100
k = 1 + floor((iter-1)/10)
  2 个评论
Ahmad Hasnain
Ahmad Hasnain 2019-2-15
I use a while loop for iterations. So I do not need a FOR loop for changing values of gamma?
Walter Roberson
Walter Roberson 2019-2-15
you are using aa fixed number of iterations so for is clearer . But whatever , use while if you like . The calculation I show is for after iter has been incremented.

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