matlab里如何表示一个函数的反函数,如表示Q函数的反函数?
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matlab里如何表示一个函数的反函数,如表示Q函数的反函数?
在matlab:
function [y]=Qfunc(x)
[y]=1/2*erfc(x/sqrt(2))
那如何表示Qfunc的反函数?
在matlab:
function [y]=Qfunc(x)
[y]=1/2*erfc(x/sqrt(2))
那如何表示Qfunc的反函数?
![matlab里如何表示一个函数的反函数,如表示Q函数的反函数?](/uploads/image/z/198340-52-0.jpg?t=matlab%E9%87%8C%E5%A6%82%E4%BD%95%E8%A1%A8%E7%A4%BA%E4%B8%80%E4%B8%AA%E5%87%BD%E6%95%B0%E7%9A%84%E5%8F%8D%E5%87%BD%E6%95%B0%2C%E5%A6%82%E8%A1%A8%E7%A4%BAQ%E5%87%BD%E6%95%B0%E7%9A%84%E5%8F%8D%E5%87%BD%E6%95%B0%3F)
FINV Inverse of the F cumulative distribution function.
X=FINV(P,V1,V2) returns the inverse of the F distribution
function with V1 and V2 degrees of freedom, at the values in P.
The size of X is the common size of the input arguments. A scalar input
functions as a constant matrix of the same size as the other inputs.
X=FINV(P,V1,V2) returns the inverse of the F distribution
function with V1 and V2 degrees of freedom, at the values in P.
The size of X is the common size of the input arguments. A scalar input
functions as a constant matrix of the same size as the other inputs.