Hp Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 208)

204 Functions and commands

Example:

reduced_conic(x^2+2*x-2*y+1) returns

ref Performs Gaussian reduction of a matrix.

ref(Matrix)

Example:

ref returns

remove Given a vector or list, removes the occurrences of Value or

removes the values that make Test true and returns the

resulting vector or list.

remove(Value, List) or remove(Test, List)

Examples:

remove(5,{1,2,5,6,7,5}) returns {1,2,6,7}

remove(x→x≥5, [1 2 5 6 7 5]) returns [1 2]

reorder Given an expression and a vector of variables, reorders the

variables in the expression according to the order given in the

vector.

reorder(Expr, Vector)

Example:

reorder(x

+2*x+y

,[y,x]) gives y

+2*x

residue Returns the residue of an expression at a value.

residue(Expr, Var, Value)

Example:

residue(1/z,z,0) returns 1

restart Purges all the variables.

restart(NULL)

resultant Returns the resultant (i.e. the determinant of the Sylvester

matrix) of two polynomials.

resultant(Poly1, Poly2, Var)

[][]

























⋅+⋅⋅

−

⋅−+−+⋅−⋅+−













⋅+⋅⋅−⋅−+−⋅+













−

− xixxiyxxxxixxixy )(

)(11221.044

121

31 2–

32 2

---

2–

------

01 2

1 2 ... 203 204 205 206 207 208 209 210 211 212 213 ... 333 334

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