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Stephen Wolfram
SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE
DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.
Mathematica
>
Equation Solving
>
Built-in
Mathematica
Symbol
Numerical Mathematics: Basic Operations
Numerical Equation Solving
Equations in One Variable
Numerical Mathematics in Mathematica
Numerical Solution of Polynomial Equations
Tutorials »
|
Solve
FindRoot
NDSolve
NMinimize
InterpolatingFunction
See Also »
|
Equation Solving
Numerical Evaluation & Precision
Polynomial Equations
Polynomial Systems
More About »
NSolve
NSolve
[
lhs
rhs
,
var
]
gives a list of numerical approximations to the roots of a polynomial equation.
NSolve
[{
eqn
1
,
eqn
2
,
...
}, {
var
1
,
var
2
,
...
}]
solves a system of polynomial equations.
MORE INFORMATION
NSolve
[
eqns
,
vars
,
n
]
gives results to
n
-digit precision.
NSolve
[
eqns
,
vars
]
gives the same final result as
N
[
Solve
[
eqns
,
vars
]]
, apart from issues of numerical precision.
EXAMPLES
CLOSE ALL
Basic Examples
(1)
Approximate solutions to a polynomial equation:
In[1]:=
Out[1]=
Approximate solutions to a system of polynomial equations:
In[2]:=
Out[2]=
Scope
(5)
Generalizations & Extensions
(3)
Options
(2)
Applications
(2)
Properties & Relations
(6)
Possible Issues
(2)
SEE ALSO
Solve
FindRoot
NDSolve
NMinimize
InterpolatingFunction
TUTORIALS
Numerical Mathematics: Basic Operations
Numerical Equation Solving
Equations in One Variable
Numerical Mathematics in
Mathematica
Numerical Solution of Polynomial Equations
RELATED LINKS
Implementation notes: Numerical and Related Functions
NKS|Online
(
A New Kind of Science
)
MORE ABOUT
Equation Solving
Numerical Evaluation & Precision
Polynomial Equations
Polynomial Systems
New in 2 | Last modified in 4.1
© 2013 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Scope 