# NSolve 명령 이동: 둘러보기, 검색
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##### NSolve
이 글은 GeoGebra 명령 에 관한 것입니다.
##### 명령 분류 (모든 명령)

이 명령은 오직 CAS 창 에서만 작동합니다..

## CAS Syntax

This command is only available in the CAS View.

NSolve( <Equation> )
Attempts (numerically) to find a solution for the equation for the main variable. For non-polynomials you should always specify a starting value (see below).
예:
`NSolve(x^6 - 2x + 1 = 0)` yields {x = 0.51, x = 1}.
NSolve( <Equation>, <Variable> )
Attempts (numerically) to find a solution of the equation for the given unknown variable. For non-polynomials you should always specify a starting value (see below).
예:
`NSolve(a^4 + 34a^3 = 34, a)` yields {a = -34, a = 0.99}.
NSolve( <Equation>, <Variable = starting value> )
Finds numerically the list of solutions to the given equation for the given unknown variable with its starting value.
예:
• `NSolve(cos(x) = x, x = 0)` yields {x = 0.74}
• `NSolve(a^4 + 34a^3 = 34, a = 3)` yields {a = 0.99}.
NSolve( <List of Equations>, <List of Variables> )
Attempts (numerically) to find a solution of the set of equations for the given set of unknown variables.
예:
`NSolve({pi / x = cos(x - 2y), 2 y - pi = sin(x)}, {x = 3, y = 1.5})` yields {x = 3.14, y = 1.57}.
노트:
• If you don't give a starting point like a=3 or {x = 3, y = 1.5} the numerical algorithm may find it hard to find a solution (and giving a starting point doesn't guarantee that a solution will be found)
• The number of decimals depends on the choosen in global rounding.
• NSolve won't work for functions that are asymptotic to the x-axis or other extreme examples. They can often be reformulated though.
• NSolve will work only if the function is continuous!