In order to plot complex function, you should convert it to complex by tocomplex(x) before plot. Use complex(x) to set variable for complex variable in real value, and Use complex(0,x) to set variable for complex variable in imag value. Get real part by re() and imag part by im(). e.g. convert log(x) to re(log(complex(x))).
The plot( ) function plots a function, implicit function, parametric function, polar.
Here are some particularly nice curve examples by plot function plot( )
Here are some particularly nice examples by plot function plot3DIE( )
The following plot functions did not work on Microsoft IE and QQ browsers. Please use Google Chrome browser.
plot3D(x*y), contour3D(x*y), wireframe3D(x*y), implicit3D(x*y*z), complex3D(x), parametric3D(t,t,t), parametric3Dxy(x,y,x*y), wireframe3Dxy(x,y,x*y), spin3D(x)
立体图, 立体外形图, 立体线框图, 立体隐函数图, 复数图, 立体参数图t, 立体参数图xy, 立体线框图xy, 旋转图3D
Notice that Microsoft Internet Explorer IE did not support svg, so IE cannot show following graph, please use other browrer.
Here are some particularly nice examples by plot function plot2D( )
sin(x) and cos(x-phase)
Bessel function of the first kind besselJ( n, x ) — the first five Bessel function of the first kind of real or complex order n of a real or complex number.
Bessel functions of the first or second kind for both positive (blue) and negative (red) real order, and derivative.
Cornu Spiral - the Fresnel cosine and sine integrals.
Here are some particularly nice examples by plot function plot3D( )
Proper spherical harmonics in 3D
sinc(x,y) in 3D graph
sin(x*y) in 3D graph
sin(omega * x*y) in 3D graph
Schwarz Primitive Surface cos(x)+cos(y)+cos(z) = 0
Here are some particularly nice examples by plot function complex3D( ) that show real and imaginary parts of complex function including special functions on complex axes and plane.
Bessel function of the second kind
Hankel function of the first kind
Hankel function of the second kind
Jacobi elliptic sine
Jacobi elliptic cosine
Jacobi delta amplitude function
Riemann zeta function
1. a plane in space. 2. a curve in space. 3. cross-section. 4. positive value of a curve spins to make stereo.