Hp Prime Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 335)

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101

Functions and commands 331

tExpand Returns a transcendental expression in expanded form.

tExpand(Expr)

Example:

tExpand(sin(2*x)+exp(x+y)) gives

2*cos(x)*sin(x)+exp(x)*exp(y)

Exp & Ln

y*lnx

→ x

Returns an expression of the form exp(n*ln(x)) rewritten as a

power of x.

exp2pow(Expr)

Example:

exp2pow(exp(3*ln(x))) gives x^3

→ e

y*lnx

Returns an expression with powers rewritten as an

exponential.

pow2exp(Expr)

Example:

pow2exp(a^b) gives exp(b*ln(a))

exp2trig Returns an expression with complex exponentials rewritten in

terms of sin and cos.

exp2trig(Expr)

Example:

exp2trig(exp(i*x)) gives cos(x)+(i)*sin(x)

expexpand Returns an expression with exponentials in expanded form.

expexpand(Expr)

Example:

expexpand(exp(3*x)) gives exp(x)^3

Sine

asinx → acosx Returns an expression with arcsin(x) rewritten as pi/2-

arccos(x).

asin2acos(Expr)

Example:

asin2acos(acos(x)+asin(x)) gives -

acos(x)+acos(x)

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