Lines Matching defs:step_size
174 ParameterVector step_size = x.array().abs() * relative_step_size;
177 // the mean step_size for the other dimensions.
178 double fallback_step_size = step_size.sum() / step_size.rows();
181 // relative step_size as absolute step_size and hope for the best.
188 if (step_size(j) == 0.0) {
190 // mean step_size from the other parameters. This can break in
193 step_size(j) = fallback_step_size;
195 x_plus_delta(j) = x(j) + step_size(j);
209 double one_over_h = 1 / step_size(j);
212 x_plus_delta(j) = x(j) - step_size(j);