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Field Description
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tau Value of :math:`\tau` in final Lasso subproblem
rNorm Norm of the final residual
gNorm Norm of the final gradient vector
rGap Relative duality gap
stat Exit status (see below)
success Exit status (see below)
statusStr Exit status (see below)
iter Number of iterations
nProdA Number of products with A
nProdAt Number of products with A transpose
nNewton Number of Newton root-finding iterations
timeProject Time spent in the projection function
timeMatProd Time spent in matrix-vector products
timeTotal Total runtime
options Options provided to the solver
xNorm1 History of the primal norm of x (optional)
rNorm2 History of the residual norm (optional)
lambda History of the gradient norm (optional)
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The history fields are updated every iteration if `options.history`

is set to true.