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386 Functions and commands
exact Converts an irrational expression to a rational or real
expression.
exact(Expr)
Example:
exact(1.4141) gives 14141/10000
exbisector Draws the exterior bisector of the angle AB-AC given by A,B,
and C.
exbisector((Pnt or Cplx(A)),(Pnt or
Cplx(B)),(Pnt or Cplx(C)))
Example:
exbisector(0,–4i,4) draws the line given by y=x
excircle Draws the excircle of the triangle ABC.
excircle((Pnt or Cplx(A)),(Pnt or
Cplx(B)),(Pnt or Cplx(C)))
Example:
excircle(GA,GB,GC) draws the circle tangent to BC
and to the rays AB and AC
EXP Returns the solution to the mathematical constant e to the
power of an expression.
exp(Expr)
Example:
exp(0) gives 1
exponential_
regression
Returns the coefficients (a,b) of y=b*a^x, where y is the
exponential which best approximates the points whose
coordinates are the elements in two lists or the rows of a
matrix.
exponential_regression(Lst||Mtrx(A),[Lst])
Example:
exponential_regression([[1.0,2.0],[0.0,1.0],[
4.0,7.0]])
gives 1.60092225473,1.10008339351
EXPORT Export. Exports the function FunctionName so that it is
globally available and appears on the User menu
(
D ).
EXPORT(FunctionName)