www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/Gammaln1PlotTheLogarithmicGammaFunctionExample.m

    %% Plot Logarithmic Gamma Function
% Plot the logarithmic gamma function on the interval from 0 to 10.
syms x
fplot(gammaln(x), [0 10])
grid on
%%
% To see the negative values better, plot the same function on the interval from 1 to 2.
fplot(gammaln(x), [1 2])
grid on