update kwarg

Author: baggepinnen

src/canonical.jl

@@ -76,6 +76,8 @@ If `C1`, then an additional convention for SISO systems is used, that the `C`-ma
 
 `E` is an eigen factorization of `A`.
 
+The modal form makes apparent which modes are controllable from which inputs, and which are observable from which outputs. Non-minimal realizations may trigger singularity exceptions.
+
 See also [`hess_form`](@ref) and [`schur_form`](@ref)
 """
 function modal_form(sys; C1 = false)

src/find_lft.jl

@@ -95,7 +95,7 @@ function find_lft(sys::StateSpace{<:Any, <:AbstractParticles{<:Any, N}}, delta,
             iterations        = 40000,
             allow_f_increases = true,
             time_limit        = 45,
-            x_tol             = 1e-8,
+            x_abstol          = 1e-8,
             f_reltol          = 0,
             g_tol             = 1e-16,
         ),

src/mimo_diskmargin.jl

@@ -176,7 +176,7 @@ function structured_singular_value(M::AbstractArray{T}; tol=1e-4, scalings=false
         iterations        = 1000,
         allow_f_increases = false,
         time_limit        = 100,
-        x_tol             = 0,
+        x_abstol          = 0,
         f_abstol          = 0,
         g_tol             = tol,
         f_calls_limit     = 0,
@@ -400,7 +400,7 @@ function loop_scaling(M::Matrix, tol=1e-4)
         iterations        = 1000,
         allow_f_increases = false,
         time_limit        = 100,
-        x_tol             = 0,
+        x_abstol          = 0,
         f_abstol          = 0,
         g_tol             = tol,
         f_calls_limit     = 0,
@@ -458,7 +458,7 @@ end
 #         iterations        = 1000,
 #         allow_f_increases = false,
 #         time_limit        = 100,
-#         x_tol             = 0,
+#         x_abstol          = 0,
 #         f_abstol          = 0,
 #         g_tol             = tol,
 #         f_calls_limit     = 0,

test/test_hinfgrad.jl

@@ -78,7 +78,7 @@ v = vec(C)
 #         iterations        = 1000,
 #         allow_f_increases = false,
 #         time_limit        = 1,
-#         x_tol             = 0,
+#         x_abstol          = 0,
 #         f_abstol          = 0,
 #         g_tol             = 1e-8,
 #         f_calls_limit     = 0,