Färgad dagjräm Complex plane. In mathematics, the complex plane is the plane formed by the complex numbers, with a Cartesian coordinate system such that the x -axis, called the real axis, is formed by the real numbers, and the y -axis, called the imaginary axis, is formed by the imaginary numbers. 1 laura mercier tinted moisturizer 2 An Argand diagram is a plot of complex numbers as points in the complex plane using the x -axis as the real axis and y -axis as the imaginary axis. In the plot above, the dashed circle represents the complex modulus of and the angle represents its complex argument. 3 färgad dagkräm cc 4 The Argand diagram (or Argand plane or complex plane) is a bidimensional plane on which you can visualise complex numbers. How do you plot an Argand diagram? To plot a complex number z=a+bi, first locate the value a on the horizontal axis and then the value b on the vertical axis. 5 Argand diagram De nition Acomplex numberzis an expression of the formz=x+iy, wherexandyare real numbers. For example2 + 3iare complex numbers. and + 13i De nition Ifz=x+iyis a complex number, so thatxandyare real numbers,x, denotedRez, is called thereal partofzandy,denotedImz, is the called theimaginary part. 6 Argand diagram, graphic portrayal of complex numbers, those of the form x + yi, in which x and y are real numbers and i is the square root of −1. It was devised by the Swiss mathematician Jean Robert Argand about A similar representation had been proposed by the Danish surveyor Caspar Wessel in , but this was not generally known. 7 laura mercier tinted moisturizer spf 30 8 En färgad dagkräm ger huden en fräsch färgantydan utan att vara för täckande. 9 En färgad dagkräm ger dig alla de goda egenskaper som en vanlig dagkräm har, samtidigt som pigmenten i den färgade dagkrämen jämnar ut hudtonen och ger fin. 10