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  1. Prepare
  2. Python
  3. Classes
  4. Classes: Dealing with Complex Numbers
  5. Discussions

Classes: Dealing with Complex Numbers

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251 Discussions

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  • rejin_gunasekar1
     + 0 comments
    import math

class Complex(object):
    def __init__(self, real, imaginary):
        self.real = real
        self.imaginary = imaginary        
    def __add__(self, no):
        return Complex(self.real + no.real, self.imaginary + no.imaginary)
    def __sub__(self, no):
        return Complex(self.real - no.real, self.imaginary - no.imaginary)        
    def __mul__(self, no):
        realpart = self.real*no.real - self.imaginary*no.imaginary
        imaginarypart = self.real*no.imaginary + no.real*self.imaginary
        return Complex(realpart, imaginarypart)
    def __truediv__(self, no):
        denom = no.real**2 + no.imaginary**2
        realpart = (self.real*no.real + self.imaginary*no.imaginary)/denom
        imaginarypart = (no.real*self.imaginary-self.real*no.imaginary)/denom
        return Complex(realpart, imaginarypart)
    def mod(self):
        return Complex(math.sqrt(self.real**2 + self.imaginary**2), 0)
    def __str__(self):
        if self.imaginary == 0:
            result = "%.2f+0.00i" % (self.real)
        elif self.real == 0:
            if self.imaginary >= 0:
                result = "0.00+%.2fi" % (self.imaginary)
            else:
                result = "0.00-%.2fi" % (abs(self.imaginary))
        elif self.imaginary > 0:
            result = "%.2f+%.2fi" % (self.real, self.imaginary)
        else:
            result = "%.2f-%.2fi" % (self.real, abs(self.imaginary))
        return result

if __name__ == '__main__':
    c = map(float, input().split())
    d = map(float, input().split())
    x = Complex(*c)
    y = Complex(*d)
    print(*map(str, [x+y, x-y, x*y, x/y, x.mod(), y.mod()]), sep='\n')

  • hungngtr1610
     + 0 comments
    import math

class Complex(object):
    def __init__(self, real, imaginary):
        self.real = real
        self.imaginary = imaginary

    def __add__(self, no):
        return Complex(self.real + no.real, self.imaginary + no.imaginary)

    def __sub__(self, no):
        return Complex(self.real - no.real, self.imaginary - no.imaginary)

    def __mul__(self, no):
        real = self.real * no.real - self.imaginary * no.imaginary
        imaginary = self.real * no.imaginary + self.imaginary * no.real
        return Complex(real, imaginary)

    def __truediv__(self, no):
        
        denominator = math.pow(no.real,2) + math.pow(no.imaginary,2)
        real = ((self.real * no.real) + (self.imaginary * no.imaginary)) / denominator
        imaginary = ((self.imaginary * no.real) - (self.real * no.imaginary)) / denominator
        return str(self.__class__(real, imaginary))

    def mod(self):
        real = math.sqrt(math.pow(self.real,2) + math.pow(self.imaginary,2))
        imaginary = 0
        return str(self.__class__(real, imaginary))

  • kgkeklikci
     + 0 comments
    import math

class Complex(object):
    def __init__(self, real, imaginary):
        self.real = real
        self.imaginary = imaginary
        self.c = complex(*(real, imaginary))

    @staticmethod
    def to_complex(no):
        return complex(*(no.real, no.imaginary))
        
    def __add__(self, no):
        c = self.c + Complex.to_complex(no)
        return Complex(c.real, c.imag)
 
    def __sub__(self, no):
        c = self.c - Complex.to_complex(no)
        return Complex(c.real, c.imag)

    def __mul__(self, no):
        c = self.c * Complex.to_complex(no)
        return Complex(c.real, c.imag)

    def __truediv__(self, no):
        c = self.c / Complex.to_complex(no)
        return Complex(c.real, c.imag)

    def mod(self):
        c = math.sqrt(self.c.real ** 2 + self.c.imag ** 2)
        return Complex(c.real, c.imag)

  • vbthani
     + 1 comment
    class Complex(object):
    def __init__(self, real, imaginary):
        self.real = real
        self.imaginary = imaginary
        
    def __add__(self, no):
        return Complex(self.real+no.real, self.imaginary+no.imaginary)
        
    def __sub__(self, no):
        return Complex(self.real-no.real, self.imaginary-no.imaginary)
        
    def __mul__(self, no):
        c1 = complex(self.real, self.imaginary)
        c2 = complex(no.real, no.imaginary)
        res = c1 * c2
        
        return Complex(res.real, res.imag)

    def __truediv__(self, no):
        c1 = complex(self.real, self.imaginary)
        c2 = complex(no.real, no.imaginary)
        res = c1/c2
        
        return Complex(res.real, res.imag)

    def mod(self):
        return Complex(math.sqrt(self.real**2 + self.imaginary**2), 0)

  • aksaini2282003
     + 0 comments
    def __add__(self, no):
    return Complex(self.real+no.real,self.imaginary+no.imaginary)
def __sub__(self, no):
    return Complex(self.real-no.real,self.imaginary-no.imaginary)

def __mul__(self, no):
    a=complex(self.real,self.imaginary)
    b=complex(no.real,no.imaginary)
    c=a*b
    r=c.real
    i=c.imag
    return Complex(r,i)
def __truediv__(self, no):
     a=complex(self.real,self.imaginary)
     b=complex(no.real,no.imaginary)
     c=a/b
     i=c.imag
     r=c.real
     return Complex(r,i)

def mod(self):
    return Complex(math.sqrt(self.real**2 + self.imaginary**2), 0)






    if self.ima "%   d = map(float, input().split())
x