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Verify that the equation F (x, y) = 0 near the point (x0, y0) = 1 to unloading is in the form y = ? (x), and give the second order Taylor Approach for ? around x0 = 1.
How to compute this determinant?
Ok, I got a contourplot now. Thank you for that! But why did you use Exp[-x^2] for f[x]? Where do you get it from? You say that f is a function of one variable but it consists of x and y?