機械学習を1ヵ月で実践レベルにする #6 (Octave 実践編) ref: https://qiita.com/junichiro/items/7972b1b6ad3d087fbde0

file0.txt

a = [1, 2, 3]
b = [2, 3, 4]
ans = 0
for i, v in enumerate(a):
    ans = ans + a[i] * b[i]
print(ans)

file1.txt

a = [1;2;3]
b = [2;3;4]
ans = 0
for j = 1:length(a)
    ans = ans + a(j) * b(j);
end
display(ans)

file2.txt

a = [1;2;3]
b = [2;3;4]
ans = a' * b
display(ans)

file3.txt

a` * b