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Questions about Information theory, entropy, and information content of various sources

0
votes
1answer
Entropy is the randomness collected by an operating system or application for use in Cryptography or other uses that require random data. The formula for Entropy is $$H(p_1, ..., p_k)=-\sum_{i=1}^{k} …
asked Mar 28 '18 by Ski Mask
1
vote
1answer
I have the phrase "abracadabra" and I want to encode it through the Huffman method. I first took the frequencies of each letters; $$a=5$$ $$b=3$$ $$c=1$$ $$d=2$$ $$r=2$$ But I'm not sure as to how the …
asked Mar 30 '18 by Ski Mask
5
votes
1answer
I want to calculate the Entropy of the phrase "Eile mit Weile". I found the probability of each letter as the following $$P(e)=\frac{4}{12}$$ $$P(i)=\frac{3}{12}$$ $$P(l)=\frac{2}{12}$$ $$P(m)=\frac{ …
asked Apr 2 '18 by Ski Mask
1
vote
3answers
I know that the answer is no but I'm not sure why. Here's where I started. We know that all data with length $n$ Bits and minimum $1$ Bit can be compressed, either lossless or lossy. But how do I cont …
asked Mar 30 '18 by Ski Mask