Error Prorogation in exponential

Hi, I need to know about Error Prorogation in exponential . Is there any code available to solve using MATLAB

[Walter Roberson]

Are you looking for Error Prorogation or Error Propagation ?

Answer 1

[Muhammad Zafar Iqbal]

Hi I am a seismologist and working with different frequencies.I have a table with base and exponents values with errors. When I use simple errors to values, the layer value is overlaped. So, I want to use Propogation rule. As I am using MATLAB. I need to calculate error at 12 Hz.