Examples of using Complex number in English and their translations into Thai
{-}
-
Colloquial
-
Ecclesiastic
-
Ecclesiastic
-
Computer
So this complex number z.
It's not in the set of reals; that's a complex number.
This is a complex number, full of mythic themes.
And so if I multiply a complex number.
Why can complex numbers be written in exponential form?
Calculations with complex numbers;
A complex number is a number that has a real part or an imaginary part.
So this will be the new complex number.
So when I divided one complex number by another, I got another complex number.
So this is the same thing as everything but complex numbers.
But when r1 and r2 involved complex numbers, we got to this simplification.
And this is actually called the argument of the complex number.
And if you don't know what complex numbers are, that's fine.
Now, if we wanted to represent-- let's say we had the complex number.
Let's say, in theory, I multiply a complex number c plus di times c minus di.
So this right here-- this right here is our complex number.
But now that we have defined what a complex number is, let's see how we can operate with it.
Now the last operation, when you divide complex numbers.
We're asked to subtract, and we have the complex number two minus three i, and from that, we are subtracting six minus eighteen i.
That's pretty much every number outside of the complex numbers.
We're asked to find the conjugate of the complex number seven minus five i.
And this right here is called the magnitude or sometimes the modulus or the absolute value of the complex number.
So far we have learned what a complex number is; we have even.
And in particular, when I divide this, I want to get another complex number.
And let's say that I have another complex number, c plus di.
And an interesting exercise for you to do is, pick some random complex numbers.
Our numerator-- we just have to multiply every part of this complex number times every part of this complex number.
So the tangent of this angle, which we called the argument of the complex number.
So, for example, we could call this the complex number z sub one.
So if I have a plus bi, where a is real and b is real, this is a complex number.