Sponsored links: Algebra eBooks
 

Help Index

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

The Maxima on-line user's manual

Algebra Calculator

Search:

Carg Calculator

Carg

Function: carg (<z>) Returns the complex argument of <z>. The complex argument is an angle theta in (-%pi, %pi] such that r exp (theta %i) = <z> where r is the magnitude of <z>.

u: 230*%e^(%i*%pi/3);
float(u);
expand(u);
u1: float(expand(u));
realpart(u1);
imagpart(u1);
abs(u1);
carg(u1);
carg(u1*180/pi);

carg is a computational function, not a simplifying function.

carg ignores the declaration declare (<x>, complex), and treats <x> as a real variable. This is a bug. See also abs (complex magnitude), polarform, rectform, realpart, and imagpart.

Examples:

          (%i1) carg (1);
          (%o1)                           0
          (%i2) carg (1 + %i);
                                         %pi
          (%o2)                          ---
                                          4
          (%i3) carg (exp (%i));
          (%o3)                           1
          (%i4) carg (exp (%pi * %i));
          (%o4)                          %pi
          (%i5) carg (exp (3/2 * %pi * %i));
                                          %pi
          (%o5)                         - ---
                                           2
          (%i6) carg (17 * exp (2 * %i));
          (%o6)                           2

(%o1)                                true
(%i2) 

Carg Example

Related Examples

carg-imagpart-realpart-sqrt

a:realpart(((1-(%i)*s...

b:imagpart(((1-(%i)*s...

sqrt((a^2)+(b^2));

Calculate

carg-imagpart-realpart-sqrt

realpart(((1-(%i)*sqr...

a:%;

imagpart(((1-(%i)*sqr...

Calculate

carg-imagpart-radcan-realpart-sqrt

realpart(((1-(%i)*sqr...

a:%;

imagpart(((1-(%i)*sqr...

Calculate

carg-imagpart-radcan-realpart-sqrt

realpart(((1-(%i)*sqr...

imagpart(((1-(%i)*sqr...

radcan(((1-(%i)*sqrt(...

Calculate

carg-imagpart-realpart-sqrt

a:realpart(((1-(%i)*s...

b:imagpart(((1-(%i)*s...

sqrt((a^2)+(b^2));

Calculate

carg-imagpart-realpart-sqrt

realpart(((1-(%i)*sqr...

a:%;

imagpart(((1-(%i)*sqr...

Calculate

carg-imagpart-radcan-realpart-sqrt

realpart(((1-(%i)*sqr...

a:%;

imagpart(((1-(%i)*sqr...

Calculate

carg-imagpart-radcan-realpart-sqrt

realpart(((1-(%i)*sqr...

imagpart(((1-(%i)*sqr...

radcan(((1-(%i)*sqrt(...

Calculate