Plot with shadings for e.g. standard error

Plot your results including showing also the standard error

% Necessary Inputs:
% xaxis
% input
% standarderror: vector of errors for each x-axis point,
% linecolor: e.g. [1 0 0]
% linewidth: e.g. [1]
% fillcolor: e.g. [.5 .5 .5]
% edgecolor: e.g. [.5 .5 .5]