what is the limit in variance optimization? what is the constraint variance of $x what is the x-in-y value of the limit variance in mean variance analysis what is the shortest r function for a x what is the limit variance of a value what is the constrained variance what does x mean what is a constrained variance optimisation hattextmeanvar(x)=0$ what is constraint variance how to optimize a constrained mean variance why is the y value longer in the y t matrix? what is the constraint mean variance how to find x and y in mla which equation is used to find the smallest variance what is the x value in limited mean variance how to find the limit on the vm variance how to find the simple mean variance variance of an array what is meant by limited variance how to find the limit of mean variance