Commit d3357038 by Frédéric Karamé

### Minor modifications.

parent 02eeaa34
 ... ... @@ -89,7 +89,6 @@ function dogleg!(x::Vector{Float64}, r::Matrix{Float64}, b::Vector{Float64}, d:: # gnorm = norm(s) if gnorm>0 # Normalize and rescale → gradient direction. temp0 = zero(Float64) @inbounds for i = 1:n s[i] /= gnorm*d[i] end ... ... @@ -101,8 +100,8 @@ function dogleg!(x::Vector{Float64}, r::Matrix{Float64}, b::Vector{Float64}, d:: end temp0 += temp1*temp1 end sgnorm = gnorm/temp0 temp0 = sqrt(temp0) sgnorm = gnorm/(temp0*temp0) if sgnorm<=δ # The scaled gradient direction is not acceptable… # Compute the point along the dogleg at which the ... ... @@ -154,7 +153,7 @@ end trustregion(f!::Function, j!::Function, y0::Vector{Float64}, factor::Float64, tolf::Float64, tolx::Float64, maxiter::Int, wa::TrustRegionWA) Solves a system of nonlinear equations of several variables using a trust region method. This version requires a last argument of type `TrustRegionWA` which holds various working arrays used in the function (avoiding array instantiations). Results of the solver are available in `wa.x` if `info=1`. which holds various working arrays used in the function (avoiding array instantiations). Results of the solver are available in `wa.x` if `info=1`. # Arguments - `f!::Function`: Function evaluating the residuals of the nonlinear equations to be solved. This function admits two arguments, a vector holding the values of the residuals and the vector of unknowns (to be solved for). ... ... @@ -272,7 +271,7 @@ function trustregion(f!::Function, j!::Function, x0::Vector{Float64}, factor::Fl if ratio=p5 || ncsucc>1 ... ...
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