function naturalspline(xshuzu, fxshuzu)
n = length(xshuzu)
if n < 2
error("At least two points are required for spline interpolation.")
end
h = zeros(n - 1)
alpha = zeros(n - 1)
L = ones(n + 1)
u = zeros(n - 1)
z = zeros(n + 1)
c = zeros(n + 1)
b = zeros(n - 1)
d = zeros(n - 1)
for i = 1:n - 1
h[i] = xshuzu[i + 1] - xshuzu[i]
end
alpha=zeros(Float64,n)
for i = 2:n - 1
alpha[i] = (3 / h[i - 1]) * (fxshuzu[i] - fxshuzu[i - 1]) - (3 / h[i]) * (fxshuzu[i + 1] - fxshuzu[i])
end
L[1] = 1
u[1] = 0
z[1] = 0
for i = 2:n
L[i] = 2.0 * (xshuzu[i] - xshuzu[i - 1]) - h[i - 1] * u[i - 1]
u[i - 1] = h[i - 1] / L[i]
z[i] = (alpha[i - 1] - h[i - 1] * z[i - 1]) / L[i]
end
L[n] = 1
z[n] = 0
c[n] = 0
for j = n - 1:1:1
c[j] = z[j] - u[j - 1] * c[j + 1]
end
for j = 1:n - 1
b[j] = (fxshuzu[j + 1] - fxshuzu[j]) / h[j] - h[j] / 3 * (c[j + 1] + 2 * c[j])
d[j] = (c[j + 1] - c[j]) / (3 * h[j])
end
return a, b, c, d
end
xshuzu=[0,1,2,3]
fxshuzu=[1.0,e,ee,ee*e]
include("naturalspline.jl")
result=naturalspline(xshuzu, fxshuzu)
print("natural 样条为 ",result)
老师您好，就是在Mworks上用Plot函数会报错许多，您看看如何修改代码使得上面的代码同时把图像显示出来呢？