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I am getting the following error on using pcolor() fucntion:??? Error using ==> surface Value must be numeric Error in ==> pcolor at 76 hh = surface(x,​y,zeros(si​ze(c)),c,'​parent',ca​x);

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Code is as follows:
% Defining Grid
Sx = 1; % physical size along x
Sy = 1; % physical size along y
Nx = 10; % number of cells along x
Ny = 10; % number of cells along y
% A CIRCLE
% Grid Arrays
dx = Sx/Nx;
xa = [0:Nx-1]*dx;
xa = xa - mean(xa);
dy = Sy/Ny;
ya = [0:Ny-1]*dy;
ya = ya - mean(ya);
% Create Circle
r = 0.4;
[Y,X] = meshgrid(ya,xa);
A = zeros(Nx,Ny);
A = (X.^2 + Y.^2) <= r^2;
figure();
pcolor(xa,ya,A');

Respuesta aceptada

Mike Garrity
Mike Garrity el 10 de Mzo. de 2016
It's trying to say that it doesn't like the type 'logical'. That's what you got when you did this:
A = (X.^2 + Y.^2) <= r^2;
Probably the simplest fix would be:
pcolor(xa,ya,double(A'))

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