MATLAB Code:
close all
clear
clc
fprintf('Part
(a)\n--------------------------------------\n')
syms x y
F = log(x + sqrt(x^2 + y^2));
fprintf('F(x,y) = \n')
pretty(F)
D2F = diff(diff(F, y), x);
fprintf('dF/dxdy = \n')
pretty(D2F)
fprintf('After using simplify():\n')
fprintf('F(x,y) = \n')
pretty(simplify(F))
fprintf('dF/dxdy = \n')
pretty(simplify(D2F))
fprintf('Part
(b)\n--------------------------------------\n')
syms x
taylor_expansion = taylor(sqrt(1 + x))
te = @(x) (7*x^5)/256 - (5*x^4)/128 + x^3/16 - x^2/8 + x/2 +
1;
taylor_expansion_at_0 = te(0)
taylor_expansion_at_3 = te(3)
fprintf('\nPart
(c)\n--------------------------------------\n')
syms x H(x)
G(x) = x^2 * (1 - x^2) * H(x);
fprintf('G(x) = \n')
pretty(G(x))
fprintf('dG/dxdx = \n')
pretty(diff(diff(collect(G(x)), x), x))
Output Screenshot:
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