給定多項式A(x)
輸出多項式x*A(x)
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用 while loop 算 s=3*3+4*4+....88*88
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連續複利
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Ex1 加權平均
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統計第一作業 2, 3, 8, 9
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輸出字串20次
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請用 for, array算出費式數列 其中 f[0]=f[1]=1, f[n]=f[n-1]+f[n-2] 或公式解 f(n)=1/sqrt(5)((1+sqrt(5))/2)^(n+1)-1/sqrt(5)((1-sqrt(5))/2)^(n+1)
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輸出課表代碼矩陣 Hint: 2-D array, double-for loop
5 則留言:
class B1
{
public static void main(String[] args)
{
int j=3;
float[] poly=new float[3];
poly[0]=1.4f;
poly[1]=2.3f;
poly[2]=3.7f;
for(int i=poly.length-1;i>=0;i--)
{
System.out.print(poly[i]+"X^"+(i+1)+"+");
if(i==0)
{System.out.print(poly[i]+"X^"+(i+1));}
}
System.out.println();
}
}
class ex
{
public static void main(String[] args)
{
int j=3;
float[] poly=new float[3];
poly[0]=1.4f;
poly[1]=2.3f;
poly[2]=3.7f;
for(int i=poly.length-1;i>=0;i--)
{
System.out.print(poly[i]+"X^"+(i+1)+"+");
if(i==0)
{System.out.print(poly[i]+"X^"+(i+1));}
}
System.out.println();
}
}
public class A2
{
public static void main(String[] args)
{
int j=3;
float[] poly=new float[3];
poly[0]=2.4f;
poly[1]=3.6f;
poly[2]=4.5f;
for(int i=poly.length-1; i>=0; i--)
{
System.out.print(poly[i]+"X^"+(i+1)+" + ");
if(i==0)
{
System.out.print(poly[i]+"X^"+(i+1));
}
}
System.out.println();
}
}
class A1
{
public static void main(String[] args)
{
int j=3;
float[] poly=new float[3];
poly[0]=1.4f;
poly[1]=2.3f;
poly[2]=3.7f;
for(int i=poly.length-1;i>=0;i--)
{
System.out.print(poly[i]+"X^"+(i+1)+"+");
if(i==0)
{System.out.print(poly[i]+"X^"+(i+1));}
}
System.out.println();
}
}
public class 12{
public static void main(String[] args)
{
int j=3;
float[] poly=new float[3];
poly[0]=2.4f;
poly[1]=3.6f;
poly[2]=4.5f;
for(int i=poly.length-1; i>=0; i--)
{
System.out.print(poly[i]+"X^"+(i+1)+" + ");
if(i==0)
{
System.out.print(poly[i]+"X^"+(i+1));
}
}
System.out.println();
}
}
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