How to set a value according to a range without using a for loop?

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Gabriel Melendez
Gabriel Melendez 2020-2-4
评论： Gabriel Melendez 2020-2-5
Hello everybody.
I need to obtain r̂ values using next function:
where
I created an array gu to store all gu values from 0 to 128 using the function g.
The r values (to obtain r̂) are stored into an array called dct_values.
It is possible to compute r̂ values without using for loop (for example, when gu ⩽ r < gu+1) ?
Thanks for your help.
u = [0:128];
gu = g(u);
  2 个评论
Walter Roberson
Walter Roberson 2020-2-4
u = 0:128;
gu = u.^2/90 + u/3;
Now consider discretize() of r with bins [-fliplr(gu), gu] . Then the bin-number can be used to index the replacement matrix [-128, -fliplr(u)-1, u, 127]

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