function [fun,dfun,ifun,x0,m,C,Ax] = zinv
% Taylor series coefficient lists for several functions.
% Pm(x) = c(1) + c(2)x + c(2)x^2 + ... + c(m+1)x^m
% fun is the function, output.
% dfun is the derivative, output.
% ifun is the integral, output.
% x0 is the point of expansion, output.
% m is the degree of the polynomial, output.
% C is the coefficient list, output.
% Ax contains three asis vectors plotting, output.
x0 = 0;
m = 25;
a = -0.9;
b = 1;
ymin = 0;
ymax = 10;
ymin1 = -10;
ymax1 = 0;
ymin2 = -2.5;
ymax2 = 1;
Ax(1,:) = [a b ymin ymax];
Ax(2,:) = [a b ymin1 ymax1];
Ax(3,:) = [a b ymin2 ymax2];
fun = '(1+x).^(-1)';
dfun = '-(1 + x).^(-2)';
ifun = 'log(1 + x)';
C = [-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1,
-1,
1];