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isolate

isolate a subexpression to left side of an equation

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

isolate(eqn, expr)

isolate(eqn, expr, iter)

Parameters

eqn

-

equation or algebraic expression

expr

-

any algebraic expression

iter

-

(optional) positive integer

Description

• 

The procedure isolate attempts to isolate the second argument expr in the first argument eqn and solves eqn for expr.

• 

If the first argument is not an equation, then the equation eqn=0 is assumed.

• 

The optional third argument iter controls the maximum number of transformation steps that isolate performs.  The default is 100000.

• 

For direct solutions of equations, solve may be more efficient than isolate, which is intended, primarily, for use in an interactive Maple session.

• 

Furthermore, whereas isolate returns an equation equivalent to its input, solve returns solutions to its input equations, and can handle systems of equations with multiple solutions.

Examples

isolate4xsinx=3,sinx

sinx=34x

(1)

isolatex23x5,x2

x2=3x+5

(2)

isolatex23x5,x,0

x23x5=0

(3)

isolatex23x5,x,1

x23x=5

(4)

isolatex23x5,x,2

x=321229

(5)

isolatex23x5,x

x=321229

(6)

solvex23x5,x

32+1229,321229

(7)

Note that isolate does not perform integration or differentiation to isolate for expr.

pⅆⅆxhx+w+∫hxⅆx=sx

pⅆⅆxhx+w+∫hxⅆx=sx

(8)

isolate,hx

pⅆⅆxhx+∫hxⅆx=sxw

(9)

See Also

solve

 


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