Hp Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 184)

100

101

180 Functions and commands

Boolean test, each element in the vector or matrix is tested and

the number of elements that pass the test is returned.

count(Var → Function, Matrix) or count(Var → Test, Matrix)

Examples:

count(x→x

,[1 2 3]) returns 14

count(x→ x>1, [1 2 3]) returns 2

covariance Returns the covariance of the elements in a list or matrix.

covariance(List) or covariance(Matrix)

Example:

covariance returns

covariance_

correlation

Returns a vector containing both the covariance and the

correlation of the elements of a list or matrix.

covariance_correlation(List) or

covariance_correlation(Matrix)

Example:

covariance_correlation returns

cpartfrac Returns the result of partial fraction decomposition of a

rational fraction in the complex field.

cpartfrac(RatFrac)

Example:

cpartfrac returns

crationalroot Returns the list of complex rational roots of a polynomial

without indicating the multiplicity.

crationalroot(Poly)







-------







-------

631⋅

-------------------

4 x

–

----------------







---

x 2–

------------–

---

x 2+

-------------–

1 2 ... 179 180 181 182 183 184 185 186 187 188 189 ... 333 334

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