Numerical interpolation using Lagrange's Inverse Interpolation formula calculator

We use cookies to improve your experience on our site and to show you relevant advertising. By browsing this website, you agree to our use of cookies. Learn more

Support us

Home > Numerical methods calculators > Numerical Interpolation using Lagrange's Inverse Interpolation formula calculator

Method and examples

Numerical interpolation using Lagrange's Inverse Interpolation formula

Find

Method

Type your data in either horizontal or verical format,
for seperator you can use '-' or ',' or ';' or space or tab
for sample click random button

Rows :

Click On Generate

y =

Option :

X 168 120 72 63
f(x) 3 7 9 10
and x=6
X 2 5 8 14
f(x) 94.8 87.9 81.3 68.7
and x=85

f(x) =

x₁ = and x₂ =

x =

Option :

`f(x)=2x^3-4x+1`
x1 = 2 and x2 = 4
x = 3.8
Step value (h) = 1
or N = 5
`f(x)=2x^3-4x+1`
x1 = 2 and x2 = 4
x = 2.1
Step value (h) = 1
or N = 8
`f(x)=x^3-x+1`
x1 = 2 and x2 = 4
x = 3.8
Step value (h) = 1
or N = 5
`f(x)=x^3-x+1`
x1 = 2 and x2 = 4
x = 2.1
Step value (h) = 1
or N = 8
`f(x)=x^3+x+2`
x1 = 2 and x2 = 4
x = 3.8
Step value (h) = 1
or N = 5
`f(x)=x^3+x+2`
x1 = 2 and x2 = 4
x = 2.1
Step value (h) = 1
or N = 8
`f(x)=sin(x)`
x1 = 0 and x2 = 1.57
x = 2
Step value (h) = 1
or N = 8
`f(x)=cos(x)`
x1 = 0 and x2 = 1.57
x = 2
Step value (h) = 1
or N = 8

Decimal Place =

Trigonometry Function Mode =

SolutionHelp