how to convert two one dimensional arrays into one two dimenstional array

i have two single dimensional array named as A,B. now i want to write these two arrays into a one array of two dimensiona.and store it in a two dimensional array named C.

Answer 1

[Wayne King]

 A = ones(20,1);
 B = ones(20,1);
 C = [A B];

[rubia]

actually,i have a a one dimesional array fm contains mean of a image, and another one dimensional array fd contains standard deviation sd,for every pixel. now i want store these two fm,fs as a feature vector (fm,fd).