MATLAB is rounding off to nearest integer

Question

I have a 1x50000 size matrix v and I want to convert it to zero mean and unit variance:

x = ((v-mean(v))/std2(v));

Bu

Answer 1

Check the data type for v. I'm sure it's an integer type, using integer arithmetic, which is why the result is an integer. You need to convert it to a floating point type to perform floating point operations on it:

v = double(v);              % Convert v to a double-precision float
x = ((v-mean(v))/std2(v));  % Result is now a double as well