Description Usage Arguments Author(s)
Apply Brent's method to update the kth mode when soft-thresholding.
| 1 | update_lambda_brent(c_obj, lambda_current, c_current, k, tau2)
 | 
| c_obj | The output from  | 
| lambda_current | A vector of numerics of length n. The current values for the thresholding parameters. | 
| c_current | A positive numeric. The current value of the scaling parameter. | 
| k | A positive integer. The mode to update. | 
| tau2 | A positive numeric. The variance. Assumed known and defaults to 1. | 
David Gerard
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