I am getting following error in code: Undefined function 'ctwoD' for input arguments of type 'double'.

clc
%coordinates of perspective camera projections
xc = ctwoD(5,10);
yc = ctwoD(10,5);

%coordinates of weak camera perspective 
xw = ctwoD(5,10);
yw = ctwoD(10,5);

%plot the transformed points from 2D to 3D
plot (xc,yc, '-5',xw, yw,'-*b',markersize,10);
hleg1 = legend ('x,y 5,10');
xlabel ('5');
ylabel('10');
title ('x,y 5,10');


I am getting following error:
Undefined function 'ctwoD' for input arguments of type 'double'.

Error in CameraModel (line 3)
xc = ctwoD(5,10);

Please help with how to write correct code.

[Cris LaPierre]

What is ctwoD? It appears to not exist.

[Ivy]

That;s where my struggle lays.... I am very new at MatLab. These codes were provided to me as a guidline..... I am trying to compute a code for a simple object with four 3D co-ordinates (-1, 0, 2), (1, 0, 5), (0, 1, 4), (0, -1, 3). to project these points onto an image using two methods, perspective, and weak perspective projection.

Answer 1

[Sulaymon Eshkabilov]

The fcn ctwoD() in your code is not a MATLAB fcn unless you've created it. If you've created it, make sure it is residing in your MATLAB accessible directory.

You can verify it with:

>> which ctwoD

[Ivy]

Thank you!!!

[Sulaymon Eshkabilov]

Most Welcome!