* Bug 16290: %sn() set obsolete
[scilab.git] / scilab / modules / signal_processing / help / ja_JP / filters / ell1mag.xml
index 4b1d86e..53ffbd2 100644 (file)
@@ -9,7 +9,7 @@
         <synopsis>[v]=ell1mag(eps,m1,z)</synopsis>
     </refsynopsisdiv>
     <refsection>
-        <title>パラメータ</title>
+        <title>引数</title>
         <variablelist>
             <varlistentry>
                 <term>eps</term>
         <title>説明</title>
         <para>
             楕円フィルタの二乗振幅を得る際に使用される関数.
-            通常は,<literal>m1=eps*eps/(a*a-1)</literal>です. 
-            <literal>s=%sn(z,m1)</literal>として,
+            通常は,<literal>m1=eps*eps/(a*a-1)</literal>です.
+            <literal>s=ellipj(z,m1)</literal>として,
             <literal>v=real(ones(z)./(ones(z)+eps*eps*s.*s))</literal>を返します.
         </para>
     </refsection>
     <refsection>
         <title>例</title>
-        <programlisting role="example"><![CDATA[ 
+        <programlisting role="example"><![CDATA[
 deff('[alpha,BeTa]=alpha_beta(n,m,m1)',...
-'if 2*int(n/2)==n then, BeTa=K1; else, BeTa=0;end;...
-alpha=%k(1-m1)/%k(1-m);')
+'if 2*int(n/2)==n then, BeTa=K1; else, BeTa=0;end;'+...
+'alpha=%k(1-m1)/%k(1-m);')
 epsilon=0.1;A=10;  //リップルパラメータ
 m1=(epsilon*epsilon)/(A*A-1);n=5;omegac=6;
 m=find_freq(epsilon,A,n);omegar = omegac/sqrt(m)
@@ -67,6 +67,21 @@ sample=0:0.01:20;
 z=alpha*delip(sample/omegac,sqrt(m))+Beta*ones(sample);
 plot(sample,ell1mag(epsilon,m1,z))
  ]]></programlisting>
+        <scilab:image><![CDATA[
+deff('[alpha,BeTa]=alpha_beta(n,m,m1)',...
+'if 2*int(n/2)==n then, BeTa=K1; else, BeTa=0;end;'+...
+'alpha=%k(1-m1)/%k(1-m);')
+epsilon=0.1;A=10;  //ripple parameters
+m1=(epsilon*epsilon)/(A*A-1);n=5;omegac=6;
+m=find_freq(epsilon,A,n);omegar = omegac/sqrt(m)
+%k(1-m1)*%k(m)/(%k(m1)*%k(1-m))-n   //Check...
+[alpha,Beta]=alpha_beta(n,m,m1)
+alpha*delip(1,sqrt(m))-n*%k(m1)      //Check
+samples=0:0.01:20;
+//Now we map the positive real axis into the contour...
+z=alpha*delip(samples/omegac,sqrt(m))+Beta*ones(samples);
+plot(samples,ell1mag(epsilon,m1,z))
+]]>     </scilab:image>
     </refsection>
     <refsection role="see also">
         <title>参照</title>
@@ -77,3 +92,4 @@ plot(sample,ell1mag(epsilon,m1,z))
         </simplelist>
     </refsection>
 </refentry>
+