Numerics 

1-column matrix
1-row matrix

almost block-diagonal
    collocation matrix
    in spcol
    linear system
    use
appropriate knot sequence
aptknt
augknt
    use <1> <2> <3> <4> <5> <6> <7>
augmented knot sequence
aveknt
    use <1> <2>

B in B-spline
banded <1> <2>
banded linear system
basic interval
    as set in ppmak
    cautionary note <1> <2>
    extension outside
    for the B-form
    for the pp-form
    of B-form
    outside of
    use
    use in
        fnder
        fnint
        fnjmp
        fnmin
        newknt
basis
basis function
    (overview)
    in stform
    of thin-plate spline
        in stcol
        in stmak
BBform
bell-shaped
best interpolant
Bézier
B-form
    conversion to ppform
    discussion of
    in spmak
    introduction to
    smoothness conditions
    vs ppform
bias
bicubic spline example <1> <2>
bivariate
bkbrk
    in spcol
boundary layer
break
    example
    in ppform
    interior
    use
    vs knot
break sequence
    example <1> <2>
    in ppform
breaks
breaks (Glossary)
breaks vs knots
    conversion
B-representation
brk2knt
bspligui
B-spline
    (Glossary)
    coefficients
    example <1> <2>
    in CAGD
    in spcol
    in spcrv
    normalized
    of order k
    some sample figures
    support of
    via bspline
bspline
    use

CAGD
center
    of a shifted power form
    of an stform
centers
centripetal
chbpnt
chebdem
Chebyshev polynomial
Chebyshev spline
circle, spline approximation to
clamped end condition
collocation
    in spcol
    matrix
        constructed in spcol
        use in spapi
    use
collocation matrix
    in stcol
column-vector
composing function with a matrix
constructive approach to splines
control point
    example
    of a spline curve
control polygon
    example
    of a spline
    use
conversion
    B-form to ppform
    via splpp,sprpp
coordinates with respect to a basis
csape
csapi
    example
    use
csaps
cscvn
    in getcurve
cubic
    B-spline
        example
    Hermite
    smoothing spline
    spline
        example
cubic means order 4
cubic smoothing spline
    via csaps
cubic spline
    via spap2
    via spapi
cubic spline curve
    via cscvn
cubic spline interpolation
    via csapi
Curry-Schoenberg Theorem
curvature
curve
    plotted via fnplt
    via spmak
    vs function

data point
    multiplicity
        in sorted
        in spapi
data site
data value
degrees of freedom
derivative
    of a rational spline
differential equation
    non-standard
    solved with splines
differentiation
    discrete
    in the pp sense
    of B-form
    via fnder
dimension
discrete
    differentiation
    least-squares approximation
domain of a function
draftsman's spline
dual functional
    use in fn2fm
d-vector

end
    break
    knot
end conditions
    clamped
    complete
    curved
    Lagrange
    natural
    not-a-knot
    other
    variational <1> <2>
equidistribute
error measure
    (Glossary)
    in csaps
    in spaps
    in splinetool
    in tpaps
error weight
evaluation
    of tensor product spline
    simultaneous
    via fnval
extension beyond basic interval
    B-form
    cautionary note
    ppform

fn2fm
fnbrk
    use <1> <2> <3>
fncmb
    use <1> <2> <3>
fnder
    use <1> <2>
fndir
fnint
    vs fnder
fnjmp
fnmin
fnplt
    use <1> <2> <3> <4>
    vs spcrv
fnrfn
fntlr
fnval
    use <1> <2> <3> <4>
fnzeros
franke
Franke function
    picture
function
    vs curve
functional
    dual

Gauss points
getcurve
good interpolation sites
    from chbpnt
    from Chebyshev spline
    via aveknt
graphic accuracy
Greville site
gridded data
    example <1> <2>
    smoothing

Hermite
    cubics
Hermite interpolation

implicit
integral
    definite
    indefinite
integral equation
integration
interior
    break
    knot
interpolant
    variational
        via csaps
        via spaps
interpolation
    by thin-plate spline
    Hermite <1> <2>
    optimal
    via cscvn
    via spapi
    via spaps
interpolation points, good
interval notation (glossary)

jump
    allow for
    ignored in fnder
    in derivative

knot
    average
        use
        via aveknt
    insertion
        used in fn2fm
        used in spcrv
        used in splpp
    interior
    multiplicity
        at endpoints
    multiplicity vs smoothness
    sequence
        appropriate
        improved
        in B-form
        in spcol
        of a spline (glossary)
        optimal
    simple (glossary)
knots vs breaks
    conversion
knt2brk
knt2mlt

Lagrange end condition
least-squares
    approximation
        (glossary)
        discrete
        via spap2
    in csaps
    in spaps
limit from the left
    in splpp
    via fnval
limit from the right
linear
    combination of functions
    dependence
    operations
    space
local
    polynomial coefficients
    power form
        (glossary)
        in ppform

matrix
    banded
maximum
    via fnmin
mesh
meshgrid
minimize
minimum
    via fnmin
Mobius
multiplicity
    in a sequence
    of a data point
    of a knot <1> <2>
    of smoothness conditions
    vs smoothness
        example
        in bspligui
multivariate
    example
    in fnval
    overview
    tensor product
    vs univariate
m-variate

naming conventions
natural
    (glossary)
    in csaps
    in cscvn
nested multiplication
newknt
    use
Newton's method
    example
    in optknt
noise
noisy
nonlinear system
    example
    in optknt
normalized B-spline
not-a-knot end condition
    in csape
    in csapi
NURBS

optimal
    interpolation
    knot sequence
optknt
order
    of a polynomial
    of a pp
    of a spline
    of ppform
osculatory

parabolic
    curve
        example
    spline
parametric
    bicubic spline
    cubic spline curve
parametrization
    chord-length
parametrized
perfect spline
periodic
PGS
piecewise cubic
    example
piecewise-polynomial
    (Glossary)
    in ppform
placeholder notation
plotting
polygon
polynomial part of stform
polyval
power form
pp
ppform
    (overview)
    conversion from B-form
    from fncmb
    from spline
    introduction to
    of a B-spline
    via ppmak
    vs B-form
ppmak
pp-representation

QR factorization
    in spap2
    in spapi
    use in slvblk
quadratic convergence
quartic

radial basis function <1> <2>
range of a function
rational spline
    (glossary)
    from rpmak,rspmak
RBF
rBform
recovery scheme
recurrence relation
    for B-splines
    use in fnval
    use in spcol
Remez algorithm
restriction to an interval
roughness measure
    (glossary)
    in csaps
    in spaps
    in splinetool
    in tpaps
roughness weight
row-vector
rpform
rpmak
rsmak

scalar-valued vs vector-valued
scaling of a function
scattered
    data
        in tpaps
    translates
Schoenberg <1> <2>
Schoenberg-Whitney
    conditions
        (glossary)
        in optknot
        in spap2
        in spapi
    theorem
        (glossary)
        (overview)
secant method
shifted power form
side conditions
simple knot
site
slvblk
    in spap2
    in spapi
smoothing
    parameter
        (glossary)
        (overview)
        in csaps
        in spaps
        in tpaps
    spline
smoothness
    across breaks
    across knot
    condition
        enforced
        guaranteed
        in B-form
        multiplicity of
sort
sorted
spap2
    use <1> <2> <3> <4> <5>
spapi
    use <1> <2> <3>
spaps
sparse
    matrix
sparse
spcol
    in spap2
    in spapi
    use <1> <2> <3> <4> <5> <6>
spcrv
    vs fnplt
sphere
    via csape
    via rsmak
spline
    approximation to a circle
    curve
        example
        via cscvn
        via spapi
        via spcrv
    draftsman's
    naming of
    specified
splinetool
splpp
spmak
    use <1> <2> <3> <4> <5> <6> <7>
sprpp
staircase shape
stcol
stform
    from stmak
stmak
subdivision
support of a B-spline
surface

target of a function
Taylor
    polynomial
        example
        via fntlr
    series
tensor product <1> <2>
    (glossary)
    example
    polynomial
thin-plate spline
    (glossary)
tpaps
trivariate
truncated
tspdem
typographical conventions (table)

uniform
    knot sequence
    mesh
unimodal
unique spline
uniqueness of B-form
unit circle
univariate vs multivariate

value outside basic interval
variational
    approach to splines
    interpolant
        via csaps
        via spaps
vector
    curve
    in this toolbox
    is always a column matrix
    -valued
        example
        in spmak
        splines
        vs scalar-valued

weight