it is for MATLAB

Algorithm 8 Write a function with the header [d] myBin2Dec(b) where b is a binary number represented by a one-dimensional array of ones and zeros. The last element of b represents the coefficient of 20, the second to last element of b represents the coefficient of 2',and so on. The output variable, d, should be the decimal representation of b. For test cases see book page 130 Algorithm 9