MATLAB: Not enough input arguments.

voxels

Hi everyone, I'm a beginner of Matlab user. I have a problem for carving a dinosaur demo. This is ">> voxels = makevoxels(85) Error using spacecarving.makevoxels (line 12) Not enough input arguments." Please help me how to resolve this problem. Thanks.

Best Answer

I guess you are talking about this function: http://in.mathworks.com/matlabcentral/fileexchange/26160-carving-a-dinosaur?focused=6787518&tab=function

You are not providing all the inputs..you need to call the function like below:

xlim = [0 1] ;
ylim = [0 1] ;
zlim = [0 1] ;
N = 100 ;
voxels = findpeak(xlim,ylim,zlim,N) ;

You need to provide xlim, ylim, zlim which are 1x2 arrays and a number N.

Related Solutions

MATLAB: How to set an optional function input as a first input

You can pass whatever you want to the parser; it doesn't get automatically what is passed to the function, but works on what you pass to its parse method. You have therefore the freedom to do something like:

 function foo( varargin )
    % - Extract first optional axes handle. Remove if present.
    if ~isempty( varargin ) && ishandle( varargin{1} )
       ax = varargin{1} ;
       varargin = varargin(2:end) ;
    else
       ax = [] ;
    end
    % - Build input parser and parse remaining args.
    parser = inputParser ;
    parser.StructExpand  = true ;
    parser.CaseSensitive = false ;
    parser.addRequired( .. ) ;
    .. etc.
    parser.parse( varargin{:} ) ;  % Pass only remaining args.
    args = parser.Results ;
    % - ...
 end

MATLAB: How to show (x,y) of a point in fsurf function

Try this:

Rx = eye(2);
Rdx = [2; 4.5];
wo = Rx\Rdx;
var_d = 24.4;
syms w1 w2
vec_w = [w1 ; w2];
J(w1,w2) = var_d - 2*vec_w'*Rdx + vec_w'*Rx*vec_w;
Jfcn = matlabFunction(J);
xv = linspace(-4.25, 5.75, 25);
yv = linspace(-1.61, 8.39, 25);
[X,Y] = ndgrid(xv,yv);
Z = Jfcn(X,Y);
figure
surf(X, Y, Z)
xlim([-4.25 5.75])
ylim([-1.61 8.39])
zlim([-36 104])
hold on
plot3(2, 4.3, Jfcn(2,4.3),'Marker','diamond','MarkerFaceColor','r', 'MarkerSize',16);
plot3([min(xlim) 2], [0 0]+4.3, [0 0]+min(zlim), '--k')
plot3([0 0]+2, [min(ylim) 4.3], [0 0]+min(zlim), '--k')
plot3([0 0]+2, [0 0]+4.3, [min(zlim) Jfcn(2,4.3)], '--k')
hold off
view([99 20])

I got tired of waiting fot the fsurf plots to calculate and plot (even on my Ryzen 7 1800X it takes forever), so I did a numieric shortcut. This gives the basic idea for you to experiment with, produicng:

1How can I show (x,y) of a point in fsurf function - 2019 12 01.png

Best Answer

Related Solutions

MATLAB: How to set an optional function input as a first input

MATLAB: How to show (x,y) of a point in fsurf function

Related Question