using TyMath
using TyPlot
z = 0:0.1:10
J = zeros(5,201)
for i = 0:4
J[i+1,:] = besselj.(i,z)
end
hold("on")
for i = 1:5
plot(z,J[i,:])
end
grid("on")
legend([raw"$J_0$",raw"$J_1$",raw"$J_2$",raw"$J_3$",raw"$J_4$"])
title("v∈[0,4]的第一类Bessel函数")
xlabel("z")
ylabel(raw"$J_v(z)$")
hold("off")
ERROR: UndefVarError: besselj not defined