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Diffstat (limited to 'help/en_US/polyval.xml')
-rw-r--r-- | help/en_US/polyval.xml | 49 |
1 files changed, 1 insertions, 48 deletions
diff --git a/help/en_US/polyval.xml b/help/en_US/polyval.xml index 8150805..08b5974 100644 --- a/help/en_US/polyval.xml +++ b/help/en_US/polyval.xml @@ -17,54 +17,7 @@ <refnamediv> <refname>polyval</refname> - <refpurpose>returns the value of a polynomial of degree n evaluated at x. y = polyval(p,x,[],mu) or [y,delta] = polyval(p,x,S,mu) use x^=(x−μ1)/μ2 in place of x. -In this equation, μ1=mean(x)and μ2=std(x). The centering and scaling parameters mu = [μ1,μ2] is optional </refpurpose> + <refpurpose>y = polyval(p,x) returns the value of a polynomial of degree n evaluated at x. The input argument p is a vector of length n+1 whose elements are the coefficients in descending powers of the polynomial to be evaluated.</refpurpose> </refnamediv> - -<refsynopsisdiv> - <title>Calling Sequence</title> - <synopsis> - y= polyval(p,x) - [y,delta] = polyval(p,x,S) - </synopsis> -</refsynopsisdiv> - - -<refsection> - <title>Parameters</title> - <variablelist> - <varlistentry><term>p:</term> - <listitem><para> vector of length n+1 whose elements are the coefficients in descending powers of the polynomial to be evaluated.</para></listitem></varlistentry> - </variablelist> -<variablelist> - <varlistentry><term>x:</term> - <listitem><para> -can be a matrix or a vector. In either case, polyval evaluates p at each element of x.</para></listitem></varlistentry> - </variablelist> -<variablelist> -<varlistentry><term>delta:</term> - <listitem><para>-is an estimate of the standard deviation of the error in predicting a future observation at x by p(x). </para></listitem></varlistentry> - </variablelist> -</refsection> - - -<refsection> - <title>Examples</title> - <programlisting role="example"><![CDATA[ -p = [3 2 1]; -y=polyval(p,[5 7 9]) -//EXPECTED OUTPUT: -//y= 86 162 262 - - - ]]></programlisting> -</refsection> - - - - - - - - </refentry> |