BlogJava-第二小组-最新评论http://www.blogjava.net/the2rdteam/CommentsRSS.aspxzh-cnSat, 25 Feb 2006 14:25:00 GMTSat, 25 Feb 2006 14:25:00 GMTcnblogs复数类实现http://www.blogjava.net/the2rdTeam/archive/2006/10/19/8681.html#76223坚持到底[匿名]坚持到底[匿名]Thu, 19 Oct 2006 09:22:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2006/10/19/8681.html#76223/*复数类的实现：湖南农业大学信息科学技术学院计算机科学与技术八班(坚持到底) 2006-10-19 */
/*复数加法公式：(a+bi)+(c+di)=(a+c)+(b+d)i*/
/*复数减法公式：(a+bi)-(c+di)=(a-c)+(b-d)i*/
/*复数乘法公式：(a+bi)*(c+di)=(ac-bd)+(ad+bc)i*/
/*复数除法公式：(a+bi)/(c+di)=[(ac+bd)/(c*c+d*d)]+[(bc-ad)/(c*c+d*d)]i*/
public class ComplexNumber {
//属性部分定义
//定义复数部分实部
double m_dRealpart;
//定义复数部分虚部
double m_dImaginpart;
//定义一个中间变量
double R_dRealpart;
//定义一个除法实部
double Realpart;


//方法部分定义
//构造函数实现部分
public ComplexNumber (double r,double I){
this.m_dRealpart=r;
this.m_dImaginpart=I;
}

//获取复数实部值
double getRealpart(){
return this.m_dRealpart;
}

//获取复数虚部值
double getImaginpart(){
return this.m_dImaginpart;
}

//设置复数实部值
void setRealpart(double temp){
this.m_dRealpart=temp;
}

//设置复数虚部值
void setImaginpart(double temp){
this.m_dImaginpart=temp;
}

//两个复数对象加法运算
ComplexNumber complexAdd(ComplexNumber c){
this.m_dRealpart=this.m_dRealpart+c.m_dRealpart;
this.m_dImaginpart=this.m_dImaginpart+c.m_dImaginpart;
return this;
}

//两个复数对象的减法运算
ComplexNumber complexMinus(ComplexNumber c){
this.m_dRealpart=this.m_dRealpart-c.m_dRealpart;
this.m_dImaginpart=this.m_dImaginpart-c.m_dImaginpart;
return this;
}


//两个复数对象的乘法运算
ComplexNumber complexChen(ComplexNumber c){
R_dRealpart=this.m_dRealpart;
this.m_dRealpart=this.m_dRealpart*c.m_dRealpart-this.m_dImaginpart*c.m_dImaginpart;
this.m_dImaginpart=R_dRealpart*c.m_dImaginpart+c.m_dRealpart*this.m_dImaginpart;
return this;
}

//两个复数对象的除法运算
ComplexNumber complexChu(ComplexNumber c){
Realpart=this.m_dRealpart;
this.m_dRealpart=(Realpart*c.m_dRealpart+this.m_dImaginpart*c.m_dImaginpart)/(c.m_dRealpart*c.m_dRealpart+c.m_dImaginpart*c.m_dImaginpart);
this.m_dImaginpart=(this.m_dImaginpart*c.m_dRealpart-Realpart*c.m_dImaginpart)/(c.m_dRealpart*c.m_dRealpart+c.m_dImaginpart*c.m_dImaginpart);
return this;
}


//构造一个a+bi的字符串形式
public String toString(){
String strTemp="";
strTemp=this.m_dRealpart+"+"+
this.m_dImaginpart+"i";
return strTemp;
}


public static void main(String[] args) {
//输出两个复数相加结果
ComplexNumber complex1 = new ComplexNumber(10.0,10.0);
System.out.println("m_dRealPart:"+complex1.m_dRealpart);
ComplexNumber complex2 = new ComplexNumber(3.0,5.0);
System.out.println("\n\ncomplex1:"+complex1.toString());
System.out.println("complex2:"+complex2.toString());
complex1.complexAdd(complex2);
System.out.println("complex1+complex2=" + complex1.toString());

//输出两个复数相减结果
ComplexNumber complex3 = new ComplexNumber(10.0,10.0);
System.out.println("\n\ncomplex3:"+complex3.toString());
System.out.println("complex2:"+complex2.toString());
complex3.complexMinus(complex2);
System.out.println("complex3-complex2="+complex3.toString());

//输出两个复数相乘结果
ComplexNumber complex4 = new ComplexNumber(-1.0,2.0);
System.out.println("\n\ncomplex4:"+complex4.toString());
ComplexNumber complex5 = new ComplexNumber(2.0,-3.0);
System.out.println("complex5:"+complex5.toString());
complex4.complexChen(complex5);
System.out.println("complex4*complex5="+complex4.toString());


//输出两个复数相除结果
ComplexNumber complex6 = new ComplexNumber(1.0,2.0);
System.out.println("\n\ncomplex6:"+complex6.toString());
ComplexNumber complex7 = new ComplexNumber(2.0,3.0);
System.out.println("complex7:"+complex7.toString());
complex6.complexChu(complex7);
System.out.println("complex6/complex7="+complex6.toString());

}

}


]]>复数类实现http://www.blogjava.net/the2rdTeam/archive/2006/10/19/8681.html#76219坚持到底[匿名]坚持到底[匿名]Thu, 19 Oct 2006 09:19:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2006/10/19/8681.html#76219/*复数加法公式：(a+bi)+(c+di)=(a+c)+(b+d)i*/
/*复数减法公式：(a+bi)-(c+di)=(a-c)+(b-d)i*/
/*复数乘法公式：(a+bi)*(c+di)=(ac-bd)+(ad+bc)i*/
/*复数除法公式：(a+bi)/(c+di)=[(ac+bd)/(c*c+d*d)]+[(bc-ad)/(c*c+d*d)]i*/
public class ComplexNumber {
//属性部分定义
//定义复数部分实部
double m_dRealpart;
//定义复数部分虚部
double m_dImaginpart;
//定义一个中间变量
double R_dRealpart;
//定义一个除法实部
double Realpart;


//方法部分定义
//构造函数实现部分
public ComplexNumber (double r,double I){
this.m_dRealpart=r;
this.m_dImaginpart=I;
}

//获取复数实部值
double getRealpart(){
return this.m_dRealpart;
}

//获取复数虚部值
double getImaginpart(){
return this.m_dImaginpart;
}

//设置复数实部值
void setRealpart(double temp){
this.m_dRealpart=temp;
}

//设置复数虚部值
void setImaginpart(double temp){
this.m_dImaginpart=temp;
}

//两个复数对象加法运算
ComplexNumber complexAdd(ComplexNumber c){
this.m_dRealpart=this.m_dRealpart+c.m_dRealpart;
this.m_dImaginpart=this.m_dImaginpart+c.m_dImaginpart;
return this;
}

//两个复数对象的减法运算
ComplexNumber complexMinus(ComplexNumber c){
this.m_dRealpart=this.m_dRealpart-c.m_dRealpart;
this.m_dImaginpart=this.m_dImaginpart-c.m_dImaginpart;
return this;
}


//两个复数对象的乘法运算
ComplexNumber complexChen(ComplexNumber c){
R_dRealpart=this.m_dRealpart;
this.m_dRealpart=this.m_dRealpart*c.m_dRealpart-this.m_dImaginpart*c.m_dImaginpart;
this.m_dImaginpart=R_dRealpart*c.m_dImaginpart+c.m_dRealpart*this.m_dImaginpart;
return this;
}

//两个复数对象的除法运算
ComplexNumber complexChu(ComplexNumber c){
Realpart=this.m_dRealpart;
this.m_dRealpart=(Realpart*c.m_dRealpart+this.m_dImaginpart*c.m_dImaginpart)/(c.m_dRealpart*c.m_dRealpart+c.m_dImaginpart*c.m_dImaginpart);
this.m_dImaginpart=(this.m_dImaginpart*c.m_dRealpart-Realpart*c.m_dImaginpart)/(c.m_dRealpart*c.m_dRealpart+c.m_dImaginpart*c.m_dImaginpart);
return this;
}


//构造一个a+bi的字符串形式
public String toString(){
String strTemp="";
strTemp=this.m_dRealpart+"+"+
this.m_dImaginpart+"i";
return strTemp;
}


public static void main(String[] args) {
//输出两个复数相加结果
ComplexNumber complex1 = new ComplexNumber(10.0,10.0);
System.out.println("m_dRealPart:"+complex1.m_dRealpart);
ComplexNumber complex2 = new ComplexNumber(3.0,5.0);
System.out.println("\n\ncomplex1:"+complex1.toString());
System.out.println("complex2:"+complex2.toString());
complex1.complexAdd(complex2);
System.out.println("complex1+complex2=" + complex1.toString());

//输出两个复数相减结果
ComplexNumber complex3 = new ComplexNumber(10.0,10.0);
System.out.println("\n\ncomplex3:"+complex3.toString());
System.out.println("complex2:"+complex2.toString());
complex3.complexMinus(complex2);
System.out.println("complex3-complex2="+complex3.toString());

//输出两个复数相乘结果
ComplexNumber complex4 = new ComplexNumber(-1.0,2.0);
System.out.println("\n\ncomplex4:"+complex4.toString());
ComplexNumber complex5 = new ComplexNumber(2.0,-3.0);
System.out.println("complex5:"+complex5.toString());
complex4.complexChen(complex5);
System.out.println("complex4*complex5="+complex4.toString());


//输出两个复数相除结果
ComplexNumber complex6 = new ComplexNumber(1.0,2.0);
System.out.println("\n\ncomplex6:"+complex6.toString());
ComplexNumber complex7 = new ComplexNumber(2.0,3.0);
System.out.println("complex7:"+complex7.toString());
complex6.complexChu(complex7);
System.out.println("complex6/complex7="+complex6.toString());

}

}


]]>re: 复数类实现 by freeyunhttp://www.blogjava.net/the2rdTeam/archive/2005/11/02/8684.html#17808hhhhWed, 02 Nov 2005 06:34:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/11/02/8684.html#17808

hh 2005-11-02 14:34 发表评论
]]>re: Java 5.0新特性 - 枚举类型enumhttp://www.blogjava.net/the2rdTeam/archive/2005/09/28/8685.html#14307概念都搞错了. enum and Enum概念都搞错了. enum and EnumWed, 28 Sep 2005 08:52:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/09/28/8685.html#14307

]]>re: Java 5.0新特性 - 枚举类型enumhttp://www.blogjava.net/the2rdTeam/archive/2005/08/28/8685.html#11362supermansupermanSun, 28 Aug 2005 04:38:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/08/28/8685.html#11362有什么作用？

superman 2005-08-28 12:38 发表评论
]]>re: Java 5.0新特性 - 枚举类型enumhttp://www.blogjava.net/the2rdTeam/archive/2005/08/10/8685.html#9739第二小组第二小组Wed, 10 Aug 2005 11:47:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/08/10/8685.html#9739

第二小组 2005-08-10 19:47 发表评论
]]>re: Java 5.0新特性 - 枚举类型enumhttp://www.blogjava.net/the2rdTeam/archive/2005/08/09/8685.html#9628hegenhegenTue, 09 Aug 2005 00:49:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/08/09/8685.html#9628 编译的时候是不是有什么技巧呢？


hegen 2005-08-09 08:49 发表评论
]]>re: 复数类实现 - kbhttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8694Flair@ZJUFlair@ZJUThu, 28 Jul 2005 17:54:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8694Just download it from http://jakarta.apache.org/site/downloads/downloads_commons-math.cgi

Flair@ZJU 2005-07-29 01:54 发表评论
]]>re: 复数类实现 - kbhttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8692第二小组第二小组Thu, 28 Jul 2005 17:06:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8692确实感觉出差距来了,但不知道它内部是如何实现的,那样的话会更好的理解.其实很多的复数算法我都不知道是怎么算的,比如pow,sqrt,tan,etc......

第二小组 2005-07-29 01:06 发表评论
]]>re: 复数类实现 - kbhttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8688第二小组第二小组Thu, 28 Jul 2005 16:51:00 GMThttp://www.blogjava.net/the2rdTeam/archive/2005/07/29/8681.html#8688Really?
看来我的代码还是很烂啊.
可不可以指点一下?让我也长长记性.

第二小组 2005-07-29 00:51 发表评论
]]>