September 2017 Update

Task/Entropy/Scilab/entropy.scilab

@@ -0,0 +1,20 @@
+function E = entropy(d)
+    d=strsplit(d);
+    n=unique(string(d));
+    N=size(d,'r');
+
+    count=zeros(n);
+    n_size = size(n,'r');
+    for i = 1:n_size
+       count(i) = sum ( d == n(i) );
+    end
+
+    E=0;
+    for i=1:length(count)
+        E = E - count(i)/N * log(count(i)/N) / log(2);
+    end
+endfunction
+
+word ='1223334444';
+E = entropy(word);
+disp('The entropy of '+word+' is '+string(E)+'.');