www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/CreatingAPlotExample.m
%% Creating a Plot % The |plot| function has different forms, depending on the input % arguments. % % * If |y| is a vector, |plot(y)| produces a piecewise linear graph of the % elements of |y| versus the index of the elements of |y|. % * If you specify two vectors as arguments, |plot(x,y)| produces a graph % of |y| versus |x|. % % Use the colon operator to create a vector of |x| values ranging from |0| % to $2\pi$, compute the sine of these values, and plot the result. x = 0:pi/100:2*pi; y = sin(x); plot(x,y) %% % Add axis labels and a title. The characters |\pi| in the |xlabel| function % create the symbol $\pi$. The |FontSize| property in the |title| function % increases the size the text used for the title. xlabel('x = 0:2\pi') ylabel('Sine of x') title('Plot of the Sine Function','FontSize',12)