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x = sum {i = 0}{n} x_{i} B_{n , i}( t )
y = sum {i = 0}{n} y_{i} B_{n , i}( t )
$BC"$7!"(B
B_{n , i}(t) = _{n} C _{i} t^{i} ( 1 - t )^{n - i}

8-2. $B@6=q(B(3)TeX, pLateX(2)

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main(){
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\bibitem{$B;2>HL>(B2}$B;29MJ88%(B2$B$N=PE8(B
\end{thebibliography}

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  1. $B$GJ]B8$7$J$5$$!#(B

    \documentclass[12pt]{jarticle}
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\section{$B?t<0$N;2>H(B}
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main(){
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}
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\nocite{masuda}
\begin{thebibliography}{9}
\bibitem{KandR}
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  1.  2x-4=0

  2. -2x+1=0

  3.  0x+3=0

  4.  0x+0=0



#include <stdio.h>
main(){
  int a,b,x;
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  b=-4;
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      printf("x $B$OG$0U$N?t(B\n");
    }else{
      printf("$B2r$J$7(B\n");
    }
  }else{
    x=b/a;
    printf("x = %d\n",x);
  }
}



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  1. 2x2-5x-3=0

  2.  x2+2x+1=0

  3.  x2-2x+5=0



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  }
}




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  X;
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    X;
  }
}




$B$3$N$h$&$K(B if $BJ8$G$"$l$PJ#?t$N>r7o$NAH9g$;$r=hM}$9$k$3$H$,$G$-$^$9!#(B
$B$7$+$7!"$3$l$rO@M}1i;;$rMQ$$$F0l$D$N>r7oJ8$K$^$H$a$k$3$H$,$G$-$^$9!#(B
$B$3$3$G$O(B C $B8@8l$G$NO@M}1i;;$NI=8=$r3X$S$^$9!#(B




C $B8@8l$K$*$$$F!">r7o(B A $B$H(B B $B$KBP$7$F!"N>J}$,@.N)$7$?;~$K$@[email protected])$9$k$3(B
$B$H$rI=$9$K$O(B (A)&&(B) $B$H=q$-$^$9!#(B
$B!V(Ba $B$,(B 0 $B$G(B b $B$b(B 0 $B!W$H$$$&>r7oJ8$rI=$9$K$O(B
(a==0)&&(b==0) $B$H=q$-$^$9!#(B
$B$3$l$O0lHL$K$O(BAND $B1i;;(B$B$H8F$P$l$F$^$9!#(B





ABA AND B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B




$B0lJ}!"(BC $B8@8l$K$*$$$F!">r7o(B A $B$H(B B $B$KBP$7$F!"$I$A$i$+0lJ}$,@.N)$9$l$P@.(B
$BN)$9$k$3$H$rI=$9$K$O(B (A)||(B) $B$H=q$-$^$9!#(B
$B!V(Ba $B$^$?$O(B b $B$N$$$:$l$+$,(B 0 $B!W$H$$$&>r7oJ8$rI=$9$K$O(B
(a==0)||(b==0) $B$H=q$-$^$9!#(B
$B$3$l$O0lHL$K$O(BOR $B1i;;(B$B$H8F$P$l$F$^$9!#(B





ABA OR B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B

mail protected])(Bmail protected])(Bmail protected])(B




$B$5$i$K!"(BC $B8@8l$K$*$$$F!">r7o(B A $B$KBP$7$F!"(BA  $B$,[email protected])$N$H$-$@$1@.(B
$BN)$9$k$3$H$rI=$9$K$O(B !(A) $B$H=q$-$^$9!#(B
$B!V(Ba $B$,(B 0 $B$G$J$$;~!W$O(B a!=0 $B$H$b=q$1$^$9$,!"(B!(a==0) $B$H$b=q$1$^$9!#(B
$B$3$l$O0lHL$K$O(BNOT $B1i;;(B$B$H8F$P$l$F$^$9!#(B





ANOT A 

mail protected])(Bmail protected])(B

mail protected])(Bmail protected])(B




$B>e5-$NNc$r$b$&0lEY$H$j$"$2$^$9!#(B
 A $B$H(B B $B$NN>J}$,@.N)$7$F$$$k;~(B X $B$r

if((A)&&(B)){ X; }




$BF1$8$h$&$K!V(BA $B$H(B B $B$N$I$A$i$+0lJ}$,@.N)$7$F$$$k;~(B X $B$r

if((A)||(B)){ X; }



$B1i=,(B8-5



$BJ}Dx<0(B ax+b=0 $B$N2r$r5a$a$k2<$N%W%m(B
$B%0%i%`$r40@.$5$;$J$5$$!#(B
$B$^$?!"40@.$5$;$?%W%m%0%i%`$rMQ$$$F!"

    

  1.  2x+1 = 0

  2.  5x+0 = 0

  3.  0x+3 = 0

  4.  0x+0 = 0



#include <stdio.h>
main(){
  float a,b;
  float x;

  a=10;
  b=20;
  printf("%fx+%f=0 $B$N2r$O(B",a,b);
  if(/* a $B$b(B b $B$b(B 0 */){
    printf("$BG$0U$NCM(B\n");
  }
  if(/* a $B$O(B 0 $B$@$,!"(B b $B$O(B 0 $B$G$J$$(B*/){
    printf("$B$J$$(B\n");
  }
  if(/* a $B$O(B 0 $B$G$J$$(B */){
    /* x $B$N7W;;(B */
   printf("%f\n",x);
  }
}



$B1i=,(B8-6



$B0J2<$OM?$($i$l$??t$,(B 2 $B$NG\?t!"(B 3 $B$NG\?t!"(B 6 $B$NG\?t$N$I$l$+$rH=Dj$9$k(B
$B%W%m%0%i%`$G$9!#(B
$B%W%m%0%i%`$r40@.$5$;$J$5$$!#(B
$B$=$7$F!"x % y $B$O(B x $B$r(B y $B$G3d$C$?M>$j$r5a$a$^$9!#(B



    

  1. 60

  2. 15

  3. 32

  4. 35



# include <stdio.h>
main(){
  int n,d2,d3;

  n = 100;
  d2 = n % 2;
  d3 = n % 3;
  printf("%d $B$O(B",n);
  if((d2!=0)&&(d3!=0)){
    printf("2 $B$G$b(B 3 $B$G$b3d$l$J$$(B\n");
  }else{ 
    if(/* 2 $B$NG\?t$NH=Dj(B */){
      printf("2 $B$NG\?t(B\n");
    }else{ 
      if(/* 3 $B$NG\?t$NH=Dj(B */){
        printf("3 $B$NG\?t(B\n");
      }else{if(/* 6 $B$NG\?t$NH=Dj(B){
            printf("6 $B$NG\?t(B\n");
           }else{
              /*$B$=$NB>(B*/
           }
      }  
    }
  }
}



8-4. $B=IBj(B



Circuit Maker $B$r%@%&%s%m!<%I$7$F$*$$$F2<$5$$!#(B
$B$^$?!"6=L#$,$"$l$P!"(B$B2CF#$?$@$7!V(BCD-ROM$BIUEE;R2sO)%7%_%e%l!<%?F~Lg!W(B
$B%V%k!<%P%C%/%9(B B-1344$B!"9VCL$B$rGc$C$FM==,$7$F$*$$$F2<$5$$!#(B






$B:dK\D>;V(B <[email protected]>


$BEl5~EE5!Bg3X9)3XIt>pJsDL?.9)3X2J(B