Question: 32. In this problem you will investigate the smallest cyclic linear code of length 9 over F2 which contains the code word 100100000. You

32. In this problem you will investigate the smallest cyclic linear code 


32. In this problem you will investigate the smallest cyclic linear code of length 9 over F2 which contains the code word 100100000. You can use Sage in this problem, just cut and paste your Sage computations into the body of your HW solutions. - (a) Write down the code polynomial g(X) of degree 8 in F2 (] associated to 100100000. Verify that g(x)h(X) = X9 1 in F2[X] for some h(X) = F2[X], and find h(X). Let C = (g(x)) in R9 = F2[X]/(X 1) and note that h(X) is the parity check polynomial for C. (b) What is k = dim(C)? (c) Use polynomial encoding and g(X) to encode the messages 010101 and 100100. (d) Use the parity check polynomial h(X) to check the received words r = 100110011 and r = 100111011 for errors. (e) Use g(X) and h(X) to find a generator matrix G and a parity check matrix H for C.

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