is $a$ or $b$ arbitrary which function in r would have a singular gradient what is the function of $x$ r how to fit nonlinear regression how to find a function that is nonlinear regression how to do the r regression x and y which function is closest to a linear regression curve? which statement represents the singular gradient of a regression? function with singular error sqrt if r function is the same as x, x, and y, where is the function x? what is the singular gradient error in r function for nonlinear regression is there a function for a linear regression if an equation is a nonlinear regression what form of function do you use what is the function $b in a linear regression where is x$ used what is the name of the function $c$ in r how to use a nonlinear function function of sqrt in r r find the nearest linear regression function