Created
March 21, 2017 19:23
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| a00 = -165 | |
| a10 = -10 | |
| a11 = 3 | |
| def calc(n, x, a0 , a1, a2): | |
| a1 = a2 * x + a1 | |
| print a1 | |
| for i in range(2, n + 1): | |
| ai = i*i/(i-1)*x*a1 - 4*a0*x*x | |
| a0 = a1 | |
| a1 = ai | |
| return ai | |
| tn = [] | |
| tn1 = [] | |
| tn2 = [] | |
| for i in range(0, 40): | |
| tn.append([0, 0, 0]) | |
| tn1.append([0, 0, 0]) | |
| tn2.append([0, 0, 0]) | |
| tn[0][0] = -165 | |
| tn[1][0] = -10 | |
| tn[1][1] = 3 | |
| tn1[2] = tn[1] | |
| tn2[2] = tn[0] | |
| n = input("insert n: ") | |
| x = input("insert x: ") | |
| print calc(n, x, a00, a10, a11) | |
| for i in range(2, n + 1): | |
| tn[i][0] = i * i / (i - 1) * tn1[i][0] | |
| tn[i][1] = i * i / (i - 1) * tn1[i][1] - 4 * tn2[i][0] | |
| tn[i][2] = -4 * tn2[i][1] | |
| tn2[i + 1] = tn1[i] | |
| tn1[i + 1] = tn[i] | |
| print "tn\t", tn | |
| print "tn1\t", tn1 | |
| print "tn2\t", tn2 | |
| res = 0 | |
| for i in range(0, n + 1): | |
| res *= x | |
| res = tn[i][0] + x*tn[i][1] + x*x*tn[i][2] | |
| print res |
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