Calculators and formulas for calculating the inverse incomplete beta functions
This calculator calculates the inverse incomplete regularized beta function
To perform the calculation, enter the beta parameters a,b and y, then click the 'Calculate' button.
The parameters a and b must be >0. The value of y is
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Move the mouse over the graphic, to display the values for the range x = 0 to 1.
\(\displaystyle B_x(a,b)=\int_0^xt^{a-1}(1-t)^{b-1}dt,\) \(\displaystyle Re(a), Re(b)>0,\,\,\,1≥x≥0\)
\(\displaystyle I_x(a,b)=\frac{B_x(a,b}{B(a,b)} \)
\(\displaystyle I_x(a,b)+I_{1-x}(b,a)=1 \)
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