set terminal pngcairo size 1000,600 enhanced font 'Verdana,18'
set output "basisf-legendre.png"

set xlabel "x"
set ylabel "P_{n}(x)"

set xr [-1:1]
set xtics 0.5
set mxtics 2

set key horizontal  samplen 2

set xzeroaxis 

set yr [-1.25:1.25]
set ytics -1.0, 0.5, 1.0
set mytics 2

plot \
     'bf.values.data.reference' u ($1/4.0):3  w l lw 4 t '1' ,\
     ''                         u ($1/4.0):4  w l lw 4 t '2' ,\
     ''                         u ($1/4.0):5  w l lw 4 t '3' ,\
     ''                         u ($1/4.0):6  w l lw 4 t '4' ,\
     ''                         u ($1/4.0):7  w l lw 4 t '5' ,\
     ''                         u ($1/4.0):8  w l lw 4 t '6' 

