Posted by: atri | November 15, 2010

HW 9 corrections

The definition of f_t in Q 2 in HW 9 had a typo: it was defined as

f_t(x_1,\dots,x_n)=0 \text{ if and only if } \sum_{i=1}^n x_n <t

instead of the following correct definition (the last x_n should be an x_i):

f_t(x_1,\dots,x_n)=0 \text{ if and only if } \sum_{i=1}^n x_i <t.

The online version of the HW has been corrected.

I have also replaced the phrase “deciding” the function f_t by the (hopefully) less confusing “computing” the function f_t.

Thanks to Kurt for pointing out the two points above.

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