Mathcad .
. , , . y=a0+a1×x+a2×x2
linfit. Mathcad :
:=linfit(, Y, F)
a0,a1,a2 , : A=
:
i:=0..5 t:=0,0.01..1 Z(t):=F(t)*A
Z(t) − . Z(t) t Yi Xi, , .
Excel .
x1, x2,xn y1, y2,yn. / . , . .
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Mathcad Excel
Mathcad . . , , . y=a0+a1×x+a2×x2 linfit. Mathcad :
:=linfit(, Y, F)
a0,a1,a2 , : A= : i:=0..5 t:=0,0.01..1 Z(t):=F(t)*A Z(t) − . Z(t) t Yi Xi, , . Excel . x1, x2,xn y1, y2,yn. / . , . .
: 2015-10-01; !; : 447 | : : - - , .
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