This is an internal function exported for those people who know what they are doing.
imxRowGradients(model, robustSE = FALSE)An OpenMx model object that has been run
Logical; are the row gradients being requested to calculate robust standard errors?
This function computes the gradient for each row of data. The returned object is a matrix with the same number of rows as the data, and the same number of columns as there are free parameters.