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| Also, since each of the x1, x2, x3 terms are functions dependent on variables, I might not have reached a solution. |
| Actually, what I want to ask is exactly like this: Here I have changed the sign at the end of the parenthesis (shown in green). I thought the result would also change. But it has not changed. I couldn't understand why. |
| Hello. Although I selected the s value differently in these two files, the same result came out. I couldn't understand the reason. I wonder if the results I get are correct. Where do you think I might have made a mistake? &[Wolfram Notebook][1] ... |
| Hello. The surface equation I want to calculate is given as follows: x(s, t) = (a + f(t) cos(bs) ? g(t) sin(bs)) (cos s, sin s, 0)+(0, 0, f(t) sin(bs) + g(t) cos(bs)) |