JointDensityFunction.md (289B)
1 # Joint Density Function 2 3 Prob L9 4 5 **Definition:** A joint density function is a function that takes two inputs and outputs a probability of the combination. 6 7 We can define the function as f_{XY} : R^2 -> R such that for all A in R^2 we have P((X,Y) in A) = integral(integral(f_XY(x,y)))