Plot for the following program is not showing up, i am trying to plot value of M1 for given L

[Matt J]

We can't copy&run your code (because it's an image).

Answer 1

[Matt J]

M1 needs to be a vector:

for L=1:799
    if ____
      M1(L)=____
    elseif ___
       M1(L)=____
    else
        M1(L)=___
    end
end