comet3d 3D comet animated plot. Calling Sequence comet3d(z) comet3d(x,y,z) comet3d(x,y,fun) comet3d(x,y,z,p) comet3d(x,y,fun,p) comet3d(...,"colors",c) Parameters x a real vector or matrix. If omitted, it is assumed to be the vector 1:nz where nz is the number of curve points given by the z parameter. y a real vector or matrix. If omitted, it is assumed to be the vector 1:nz where nz is the number of curve points given by the z parameter. z a real vector of length nz or a matrix with nz rows. p a real scalar in the interval[0 1[. Default value is 0.1. fun a scilab function with calling sequence z=fun(x,y). c a vector of ny color index. Description If (x,y,z) are three vectors with the same number of elements, this function draws a 3D comet animated plot. The plot is made of three parts: ahead mark that shows the current (x(i),y(i),z(i)) position. abody that shows the trailing curve that follows the head: the (x(i-k:i),y(i-k:i),z(i-k:i))) part of the curve. atail that shows the (x(1:i-k),y(1:i-k),z(1:i-k)) part of the curve. if z is a matrix and (x,y) are vectors then animated curves are drawn for each triple (x,y,z(:,l)). in this case nz is the number of rows of z. if x,y,z are matrices with the same dimensions then animated curves are drawn for each triple (x(:,l),y(:,l),z(:,l)). comet3d(x,y,fun,...) computes the z vector as z(i)=fun(x(i),y(i)) comet3d(...,p) can be used to set the relative length of the body. k is defined as k = round(p*nz). Examples See Also comet History 5.3.2 Function comet3d introduced.