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f*(x)=1/x la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
      1
f*x = -
      x
$$f x = \frac{1}{x}$$
Gráfica
Suma y producto de raíces [src]
suma
                                                      /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\                                                       /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\
         _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------||          _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------||
        /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   ||         /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   ||
       /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|        /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|
-     /   ------------------ + ------------------ *cos|---------------------------------------| - I*    /   ------------------ + ------------------ *sin|---------------------------------------| +     /   ------------------ + ------------------ *cos|---------------------------------------| + I*    /   ------------------ + ------------------ *sin|---------------------------------------|
     /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /      /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /
  4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                                  4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                               
  \/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                                  \/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                               
$$\left(- i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} - \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}\right) + \left(i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} + \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}\right)$$
=
0
$$0$$
producto
/                                                      /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\\ /                                                    /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\\
|         _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------||| |       _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------|||
|        /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   ||| |      /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   |||
|       /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|| |     /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/||
|-     /   ------------------ + ------------------ *cos|---------------------------------------| - I*    /   ------------------ + ------------------ *sin|---------------------------------------||*|    /   ------------------ + ------------------ *cos|---------------------------------------| + I*    /   ------------------ + ------------------ *sin|---------------------------------------||
|     /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /| |   /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /|
|  4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                               | |4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                               |
\  \/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                               / \\/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                               /
$$\left(- i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} - \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}\right) \left(i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} + \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}\right)$$
=
         /    -im(f)            re(f)     \ 
  I*atan2|---------------, ---------------| 
         |  2        2       2        2   | 
         \im (f) + re (f)  im (f) + re (f)/ 
-e                                          
--------------------------------------------
               _________________            
              /   2        2                
            \/  im (f) + re (f)             
$$- \frac{e^{i \operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}}{\sqrt{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}}}$$
-exp(i*atan2(-im(f)/(im(f)^2 + re(f)^2), re(f)/(im(f)^2 + re(f)^2)))/sqrt(im(f)^2 + re(f)^2)
Respuesta rápida [src]
                                                           /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\
              _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------||
             /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   ||
            /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|
x1 = -     /   ------------------ + ------------------ *cos|---------------------------------------| - I*    /   ------------------ + ------------------ *sin|---------------------------------------|
          /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /
       4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                               
       \/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                               
$$x_{1} = - i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} - \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}$$
                                                         /     /    -im(f)            re(f)     \\                                                         /     /    -im(f)            re(f)     \\
            _________________________________________    |atan2|---------------, ---------------||            _________________________________________    |atan2|---------------, ---------------||
           /         2                    2              |     |  2        2       2        2   ||           /         2                    2              |     |  2        2       2        2   ||
          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|          /        im (f)               re (f)           |     \im (f) + re (f)  im (f) + re (f)/|
x2 =     /   ------------------ + ------------------ *cos|---------------------------------------| + I*    /   ------------------ + ------------------ *sin|---------------------------------------|
        /                     2                    2     \                   2                   /        /                     2                    2     \                   2                   /
     4 /     /  2        2   \    /  2        2   \                                                    4 /     /  2        2   \    /  2        2   \                                               
     \/      \im (f) + re (f)/    \im (f) + re (f)/                                                    \/      \im (f) + re (f)/    \im (f) + re (f)/                                               
$$x_{2} = i \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)} + \sqrt[4]{\frac{\left(\operatorname{re}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}} + \frac{\left(\operatorname{im}{\left(f\right)}\right)^{2}}{\left(\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}\right)^{2}}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \frac{\operatorname{im}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}},\frac{\operatorname{re}{\left(f\right)}}{\left(\operatorname{re}{\left(f\right)}\right)^{2} + \left(\operatorname{im}{\left(f\right)}\right)^{2}} \right)}}{2} \right)}$$
x2 = i*(re(f)^2/(re(f)^2 + im(f)^2)^2 + im(f)^2/(re(f)^2 + im(f)^2)^2)^(1/4)*sin(atan2(-im(f)/(re(f)^2 + im(f)^2, re(f)/(re(f)^2 + im(f)^2))/2) + (re(f)^2/(re(f)^2 + im(f)^2)^2 + im(f)^2/(re(f)^2 + im(f)^2)^2)^(1/4)*cos(atan2(-im(f)/(re(f)^2 + im(f)^2), re(f)/(re(f)^2 + im(f)^2))/2))