Aprēķins: Tvi2WM - 1

DX  = 
 (x1-EX)^2* p1* (x2-EX)^2* p2* (x3-EX)^2* p3
DX =  (x1-EX)^2* p1* (x2-EX)^2* p2* (x3-EX)^2* p3$$DX$$ = $$(x1-EX)^{2}\cdot p1\cdot (x2-EX)^{2}\cdot p2\cdot (x3-EX)^{2}\cdot p3$$
DX =  x1^2* x2^2* x3^2* p1* p2* p3- 2* x1^2* x2^2* x3* EX* p1* p2* p3+ x1^2* x2^2* EX^2* p1* p2* p3- 2* x1^2* x2* EX* x3^2* p1* p2* p3+ 4* x1^2* x2* EX^2* x3* p1* p2* p3- 2* x1^2* x2* EX^3* p1* p2* p3+ x1^2* EX^2* x3^2* p1* p2* p3- 2* x1^2* EX^3* x3* p1* p2* p3+ x1^2* EX^4* p1* p2* p3- 2* x1* EX* x2^2* x3^2* p1* p2* p3+ 4* x1* EX^2* x2^2* x3* p1* p2* p3- 2* x1* EX^3* x2^2* p1* p2* p3+ 4* x1* EX^2* x2* x3^2* p1* p2* p3- 8* x1* EX^3* x2* x3* p1* p2* p3+ 4* x1* EX^4* x2* p1* p2* p3- 2* x1* EX^3* x3^2* p1* p2* p3+ 4* x1* EX^4* x3* p1* p2* p3- 2* x1* EX^5* p1* p2* p3+ EX^2* x2^2* x3^2* p1* p2* p3- 2* EX^3* x2^2* x3* p1* p2* p3+ EX^4* x2^2* p1* p2* p3- 2* EX^3* x2* x3^2* p1* p2* p3+ 4* EX^4* x2* x3* p1* p2* p3- 2* EX^5* x2* p1* p2* p3+ EX^4* x3^2* p1* p2* p3- 2* EX^5* x3* p1* p2* p3+ EX^6* p1* p2* p3$$DX$$ = $$x1^{2}\cdot x2^{2}\cdot x3^{2}\cdot p1\cdot p2\cdot p3-2\cdot x1^{2}\cdot x2^{2}\cdot x3\cdot EX\cdot p1\cdot p2\cdot p3+x1^{2}\cdot x2^{2}\cdot EX^{2}\cdot p1\cdot p2\cdot p3-2\cdot x1^{2}\cdot x2\cdot EX\cdot x3^{2}\cdot p1\cdot p2\cdot p3+4\cdot x1^{2}\cdot x2\cdot EX^{2}\cdot x3\cdot p1\cdot p2\cdot p3-2\cdot x1^{2}\cdot x2\cdot EX^{3}\cdot p1\cdot p2\cdot p3+x1^{2}\cdot EX^{2}\cdot x3^{2}\cdot p1\cdot p2\cdot p3-2\cdot x1^{2}\cdot EX^{3}\cdot x3\cdot p1\cdot p2\cdot p3+x1^{2}\cdot EX^{4}\cdot p1\cdot p2\cdot p3-2\cdot x1\cdot EX\cdot x2^{2}\cdot x3^{2}\cdot p1\cdot p2\cdot p3+4\cdot x1\cdot EX^{2}\cdot x2^{2}\cdot x3\cdot p1\cdot p2\cdot p3-2\cdot x1\cdot EX^{3}\cdot x2^{2}\cdot p1\cdot p2\cdot p3+4\cdot x1\cdot EX^{2}\cdot x2\cdot x3^{2}\cdot p1\cdot p2\cdot p3-8\cdot x1\cdot EX^{3}\cdot x2\cdot x3\cdot p1\cdot p2\cdot p3+4\cdot x1\cdot EX^{4}\cdot x2\cdot p1\cdot p2\cdot p3-2\cdot x1\cdot EX^{3}\cdot x3^{2}\cdot p1\cdot p2\cdot p3+4\cdot x1\cdot EX^{4}\cdot x3\cdot p1\cdot p2\cdot p3-2\cdot x1\cdot EX^{5}\cdot p1\cdot p2\cdot p3+EX^{2}\cdot x2^{2}\cdot x3^{2}\cdot p1\cdot p2\cdot p3-2\cdot EX^{3}\cdot x2^{2}\cdot x3\cdot p1\cdot p2\cdot p3+EX^{4}\cdot x2^{2}\cdot p1\cdot p2\cdot p3-2\cdot EX^{3}\cdot x2\cdot x3^{2}\cdot p1\cdot p2\cdot p3+4\cdot EX^{4}\cdot x2\cdot x3\cdot p1\cdot p2\cdot p3-2\cdot EX^{5}\cdot x2\cdot p1\cdot p2\cdot p3+EX^{4}\cdot x3^{2}\cdot p1\cdot p2\cdot p3-2\cdot EX^{5}\cdot x3\cdot p1\cdot p2\cdot p3+EX^{6}\cdot p1\cdot p2\cdot p3$$
DX =  p1* p2* p3* x1^2* x2^2* x3^2- 2* EX* p1* p2* p3* x1^2* x2^2* x3+ EX^2* p1* p2* p3* x1^2* x2^2- 2* EX* p1* p2* p3* x1^2* x2* x3^2+ 4* EX^2* p1* p2* p3* x1^2* x2* x3- 2* EX^3* p1* p2* p3* x1^2* x2+ EX^2* p1* p2* p3* x1^2* x3^2- 2* EX^3* p1* p2* p3* x1^2* x3+ EX^4* p1* p2* p3* x1^2- 2* EX* p1* p2* p3* x1* x2^2* x3^2+ 4* EX^2* p1* p2* p3* x1* x2^2* x3- 2* EX^3* p1* p2* p3* x1* x2^2+ 4* EX^2* p1* p2* p3* x1* x2* x3^2- 8* EX^3* p1* p2* p3* x1* x2* x3+ 4* EX^4* p1* p2* p3* x1* x2- 2* EX^3* p1* p2* p3* x1* x3^2+ 4* EX^4* p1* p2* p3* x1* x3- 2* EX^5* p1* p2* p3* x1+ EX^2* p1* p2* p3* x2^2* x3^2- 2* EX^3* p1* p2* p3* x2^2* x3+ EX^4* p1* p2* p3* x2^2- 2* EX^3* p1* p2* p3* x2* x3^2+ 4* EX^4* p1* p2* p3* x2* x3- 2* EX^5* p1* p2* p3* x2+ EX^4* p1* p2* p3* x3^2- 2* EX^5* p1* p2* p3* x3+ EX^6* p1* p2* p3$$DX$$ = $$p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2^{2}\cdot x3^{2}-2\cdot EX\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2^{2}\cdot x3+EX^{2}\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2^{2}-2\cdot EX\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2\cdot x3^{2}+4\cdot EX^{2}\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2\cdot x3-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x2+EX^{2}\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x3^{2}-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x1^{2}\cdot x3+EX^{4}\cdot p1\cdot p2\cdot p3\cdot x1^{2}-2\cdot EX\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2^{2}\cdot x3^{2}+4\cdot EX^{2}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2^{2}\cdot x3-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2^{2}+4\cdot EX^{2}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2\cdot x3^{2}-8\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2\cdot x3+4\cdot EX^{4}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x2-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x3^{2}+4\cdot EX^{4}\cdot p1\cdot p2\cdot p3\cdot x1\cdot x3-2\cdot EX^{5}\cdot p1\cdot p2\cdot p3\cdot x1+EX^{2}\cdot p1\cdot p2\cdot p3\cdot x2^{2}\cdot x3^{2}-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x2^{2}\cdot x3+EX^{4}\cdot p1\cdot p2\cdot p3\cdot x2^{2}-2\cdot EX^{3}\cdot p1\cdot p2\cdot p3\cdot x2\cdot x3^{2}+4\cdot EX^{4}\cdot p1\cdot p2\cdot p3\cdot x2\cdot x3-2\cdot EX^{5}\cdot p1\cdot p2\cdot p3\cdot x2+EX^{4}\cdot p1\cdot p2\cdot p3\cdot x3^{2}-2\cdot EX^{5}\cdot p1\cdot p2\cdot p3\cdot x3+EX^{6}\cdot p1\cdot p2\cdot p3$$