(-1/2)ln(1-2y)=ln(xc)化简
问题描述:
(-1/2)ln(1-2y)=ln(xc)化简
答
ln(1-2y)=-2ln(xc)
ln(1-2y)=ln(xc)^2
1-2y=(xc)^2
y=(1-c^2 * x^2 )/2
其中 ^2 是...的平方的意思.