cone plot (request for help)

I have 4 normalized vectors that represent the edges of error ellipse, how do I plot a cone between them that represent the error area up until a certain point(x*10,y*10,z*10) for example.

in other words, a semi cone with no head ( there is an "head" if the error in the head is tiny enought to count as the same point for every vector).

for example I have a data of vectors 2x3 where first line is the direction vector and line 2 is point of origin

left:

0.000777551633326096 -0.324338092709069 -0.904293501718821

-0.0155631822372405 6.49182977305030 18.1

right:

-0.0740720973626052 -0.324366480207892 -0.904433163158820

1.48237041373031 6.49139541860418 18.1

up:

-0.0366252121589512 -0.373079389279788 -0.904694864673741

0.732751302082479 7.46410442862344 18.1

down:

-0.0366693335703280 -0.275625183637174 -0.904031684016283

0.734172208073828 5.51840816205618 18.1

right now I have a code of drawing ellipse at a given height which then I loop to give me the ellipse error over length

function ellipse(left,right,up,down,height)
left(1,1:3)=left(1,1:3)*(height/left(1,3))+left(2,1:3);
right(1,1:3)=right(1,1:3)*(height/right(1,3))+right(2,1:3);
up(1,1:3)=up(1,1:3).*(height/up(1,3))+up(2,1:3);
down(1,1:3)=down(1,1:3).*(height/down(1, 3))+down(2,1:3);
x=mean([min([left(1),right(1),up(1),down(1)]),max([left(1),right(1),up(1),down(1)])]);
y=mean([min([left(1,2),right(1,2),up(1,2),down(1,2)]),max([left(1,2),right(1,2),up(1,2),down(1,2)])]);
t=0:0.1:2*pi;
Xt=0.5*norm(left-right)*cos(t)+x;
Yt=0.5*norm(up-down)*sin(t)+y;
Z=t-t+height;
plot3(Xt,Yt,Z,'color','green');
hold on;

[darova]

What kind of data do you have?

simple cone:

n = 4;                        % number of phi
r = [2 5];                    % radius change
phi = linspace(0,2*pi,n+1);   % angle
[R, PHI] = meshgrid(r,phi);
x = R.*cos(PHI);
y = R.*sin(PHI);
z = repmat([1 0],n+1,1);
mesh(x,y,z)

[Or Peer]

edited my first qustion to give you the data. thanks for the help.

[darova]

Can you attach entire code or plot? Still don't understand the task

[darova]

I drew your vectors. They don't look like cone

[Or Peer]

they dont look like a cone because they are the edges of the ellipse

this is not the same data but close

with the code I entered above and a loop

for height=1:-50:-1000

    ellipse(left,right,up,down,height)
end

it draws this figure

what I want is instead of multiple loops a drawing of a cone(continues error).

[darova]

If you have all profiles for surface, just rebuild your function header

function [Xt, Yt, Z] = ellipse(left,right,up,down,height)

Write all profiles in matrix

i = 1;
for height=1:-50:-1000
    [x,y,z] = ellipse(left,right,up,down,height)
    X(:,i) = x;
    Y(:,i) = y;
    Z(:,i) = z;
    i = i + 1;
end

And create surface

surf(X,Y,Z)

[Or Peer]

thank you, the code worked.