HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 419)

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To enter an initial value for the solver, use the syntax Var=Guess.

To dene the closed interval [Val1, Val2], use the syntax Var=Val1…Val2.

Examples:

solve(x^2-3=1) returns {-2,2}

solve({x^2-3=1, x+2=0},x) returns {-2}

solve(x^2-(LN(x)+5)=0, x=2) and solve(x^2–(LN(x)+5)=0, x=2…3) both return

2.42617293082

Zeros

With an expression as argument, returns the real zeros of the expression; that is, the solutions when the

expression is set equal to zero.

With a list of expressions as argument, returns the matrix where the rows are the real solutions of the system

formed by setting each expression equal to zero.

zeros(Expr,[Var]) or zeros({Expr1, Expr2,…},[{Var1, Var2,…}])

Example:

zeros(x^2-4) returns [-2 2]

Complex Solve

Returns a list of the complex solutions to a polynomial equation or a set of polynomial equations.

cSolve(Eq,[Var]) or cSolve({Eq1, Eq2,…}, [Var])

Example:

cSolve(x^4-1=0, x) returns {1 -1 -i i}

Complex Zeros

With an expression as argument, returns a vector containing the complex zeros of the expression; that is, the

solutions when the expression is set equal to zero.

With a list of expressions as argument, returns the matrix where the rows are the complex solutions of the

system formed by setting each expression equal to zero.

cZeros(Expr,[Var] or cZeros({Expr1, Expr2,…},[{Var1, Var2,…}])

Example:

cZeros(x^4-1) returns [1 -1 -i i]

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