I need help ploting a graph

when i try to plot a graph made of this equation i get an error saying Error using ^

Incorrect dimensions for raising a matrix to a power. Check that the matrix is

square and the power is a scalar. To perform elementwise matrix powers, use'.^'. i've tryed to plot it like this:

x=[0:0.1:40] 

and

y=5*(1-0.5772156649^(-x/4.8))

pls halp

Answer 1

[Walter Roberson]

y=5*(1-0.5772156649.^(-x/4.8))