www.gusucode.com > symbolic 源码程序 matlab案例代码 > symbolic/Ch2ChooseTheArithmeticExample.m

    %% Choose the Arithmetic
%% Increase Precision
syms y
fplot(abs(zeta(1/2 + i*y)), [0 30])
%% Plot the Function or Expression
syms x
fplot(besselj(x, sym(pi)), [26 27])