what is the vector of the covariance between $x_p,x_q and the inputs? which statement is used to calculate the standard deviation of a gaussian process? what is the standard gaussian process which linear model describes the standard deviation for the gaussian process what is the gaussian process regression? how to get k x_xstar what is the function of x squared exponential kernel what is the vector for the linear regression? what is a gaussian process what is the vector of the covariance matrix? which function does a gaussian process use what is the matrix for gaussian process regression gps how to do a toy problem what is the coefficient of regression for a gapp what is the matrix for gaussian process regression how to find the variance in a gapp regression? what is the matrix for the average gaussian process regression of a graph gaussian process regression toy problem which linear equation is used to make the linear equation for a gaussian process regression? what is the matrix of the covariance