diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bfdc3dd..60391f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           - '1.9'
         os:
           - ubuntu-latest
-          - macOS-latest
+          # - macOS-latest
           - windows-latest
         arch:
           - x64
diff --git a/Project.toml b/Project.toml
index 51b92e9..6b435f9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "RadialPiecewisePolynomials"
 uuid = "7dab568b-3cf7-4f91-a977-b4631dfca174"
 authors = ["john.papad "]
-version = "0.1.1"
+version = "0.1.2"
 
 [deps]
 AnnuliOrthogonalPolynomials = "de1797fd-24c3-4035-91a2-b52aecdcfb01"
@@ -21,11 +21,12 @@ MultivariateOrthogonalPolynomials = "4f6956fd-4f93-5457-9149-7bfc4b2ce06d"
 PiecewiseOrthogonalPolynomials = "4461d12d-4663-4550-8580-cb764c85e20f"
 QuasiArrays = "c4ea9172-b204-11e9-377d-29865faadc5c"
 SemiclassicalOrthogonalPolynomials = "291c01f3-23f6-4eb6-aeb0-063a639b53f2"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
-AnnuliOrthogonalPolynomials = "0.0.4"
+AnnuliOrthogonalPolynomials = "0.0.5"
 BandedMatrices = "0.17, 1"
 BlockArrays = "0.16"
 BlockBandedMatrices = "0.12"
diff --git a/src/RadialPiecewisePolynomials.jl b/src/RadialPiecewisePolynomials.jl
index 477ac73..9a89806 100644
--- a/src/RadialPiecewisePolynomials.jl
+++ b/src/RadialPiecewisePolynomials.jl
@@ -2,7 +2,7 @@ module RadialPiecewisePolynomials
 
 using AnnuliOrthogonalPolynomials, BandedMatrices, BlockArrays, BlockBandedMatrices, ClassicalOrthogonalPolynomials, ContinuumArrays, DomainSets,
     FastTransforms, LinearAlgebra, MultivariateOrthogonalPolynomials, SemiclassicalOrthogonalPolynomials,
-    StaticArrays, QuasiArrays, FillArrays, LazyArrays, Memoization#, ArrayLayouts#, LazyBandedMatrices#, 
+    StaticArrays, QuasiArrays, FillArrays, LazyArrays, Memoization, SparseArrays#, ArrayLayouts#, LazyBandedMatrices#,
 
 
 import BlockArrays: BlockSlice, block, blockindex, blockvec
@@ -28,7 +28,8 @@ export SVector, Zeros, Ones, Vcat, Derivative, pad, paddeddata, Hcat, RadialCoor
         ZernikeBasis, ZernikeBasisMode, ZernikeBasisModeElement,
         BBBArrowheadMatrix,
         get_rs, get_θs, getNs,
-        mass_matrix, assembly_matrix, stiffness_matrix, gram_matrix, piecewise_constant_assembly_matrix
+        mass_matrix, assembly_matrix, stiffness_matrix, gram_matrix, piecewise_constant_assembly_matrix,
+        sparse
 
 get_rs(x) = x.r
 get_θs(x) = x.θ
diff --git a/src/continuouszernike.jl b/src/continuouszernike.jl
index ec30580..b092041 100644
--- a/src/continuouszernike.jl
+++ b/src/continuouszernike.jl
@@ -232,6 +232,12 @@ function zero_dirichlet_bcs!(Φ::ContinuousZernike{T}, Mf::AbstractVector{<:Pseu
     zero_dirichlet_bcs!.(Fs, Mf)
 end
 
+function zero_dirichlet_bcs!(Φ::ContinuousZernike{T}, Mf::AbstractVector{<:AbstractVector}) where T
+    @assert length(Mf) == 2*Φ.N-1
+    Fs = Φ.Fs #_getFs(Φ.N, Φ.points)
+    zero_dirichlet_bcs!.(Fs, Mf)
+end
+
 function zero_dirichlet_bcs!(points::AbstractVector{T}, A::Matrix) where T
     K = length(points)-1
     if first(points) > 0
diff --git a/src/continuouszernikemode.jl b/src/continuouszernikemode.jl
index 0d6fa55..80d8337 100644
--- a/src/continuouszernikemode.jl
+++ b/src/continuouszernikemode.jl
@@ -372,6 +372,19 @@ function zero_dirichlet_bcs!(F::ContinuousZernikeMode{T}, A::Matrix) where T
     end
 end
 
+function zero_dirichlet_bcs!(F::ContinuousZernikeMode{T}, A::SparseMatrixCSC) where T
+    points = F.points
+    K = length(points)-1
+    if first(points) > 0
+        A[1,:] .= zero(T); A[:,1] .= zero(T)
+        A[K+1, :] .= zero(T); A[:, K+1] .= zero(T)
+        A[1,1] = one(T); A[K+1, K+1] = one(T)
+    else
+        A[K,:] .= zero(T); A[:,K] .= zero(T)
+        A[K,K] = one(T)
+    end
+end
+
 function zero_dirichlet_bcs!(F::ContinuousZernikeMode{T}, Mf::PseudoBlockVector) where T
     points = F.points
     K = length(points)-1
@@ -383,6 +396,17 @@ function zero_dirichlet_bcs!(F::ContinuousZernikeMode{T}, Mf::PseudoBlockVector)
     end
 end
 
+function zero_dirichlet_bcs!(F::ContinuousZernikeMode{T}, Mf::AbstractVector) where T
+    points = F.points
+    K = length(points)-1
+    if !(first(points) ≈  0)
+        Mf[1] = zero(T)
+        Mf[K+1] = zero(T)
+    else
+        Mf[K] = zero(T)
+    end
+end
+
 ###
 # Plotting
 ###
diff --git a/src/plotting/plots.jl b/src/plotting/plots.jl
index 72c4eb2..02cfbe3 100644
--- a/src/plotting/plots.jl
+++ b/src/plotting/plots.jl
@@ -38,17 +38,17 @@ function _plot(K::Int, θs::AbstractVector, rs::AbstractVector, vals::AbstractVe
     display(gcf())
 end
 
-function plot(F::FiniteContinuousZernike{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], vminmax=[],K=0) where T
+function plot(F::ContinuousZernike{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], vminmax=[],K=0) where T
     K = K ==0 ? lastindex(F.points)-1 : K
     _plot(K, θs, rs, vals, ρ=ρ, ttl=ttl, vminmax=vminmax)
 end
 
-function plot(F::FiniteContinuousZernikeMode{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], K=0) where T
+function plot(F::ContinuousZernikeMode{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], K=0) where T
     K = K ==0 ? lastindex(Z.points)-1 : K
     _plot(K, θs, rs, vals, ρ=ρ, ttl=ttl)
 end
 
-function plot(Z::FiniteZernikeBasis{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], K=0) where T
+function plot(Z::ZernikeBasis{T}, θs::AbstractVector, rs::AbstractVector, vals::AbstractVector;ρ::T=0.0, ttl=[], K=0) where T
     K = K ==0 ? lastindex(Z.points)-1 : K
     _plot(K, θs, rs, vals, ρ=ρ, ttl=ttl)
 end