How i merge these two equations ?

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Ian Samuelsson
Ian Samuelsson on 12 Jun 2019
Commented: Walter Roberson on 12 Jun 2019
clearvars;
% X=xv = Aceleração
% Y=yv = Massa
%Z = força
xv = linspace(0, 2 );
yv = linspace(0,2 );
[X, Y] = ndgrid(xv, yv );
Z = X.*Y;
surf(X, Y, Z, 'edgecolor', 'none ');
xlabel('Massa');
ylabel('Aceleração');
zlabel('z');
xv2 = linspace(0, 3 );
yv2 = linspace(0,3 );
[X, Y] = ndgrid(xv2, yv2 );
Z = sqrt(2*X*Y);
surf(X, Y, Z, 'edgecolor', 'none ');
xlabel('Gravidade');
ylabel('Raio');
zlabel('z');
  4 Comments
Rik
Rik on 12 Jun 2019
You have two equations:
Z=X.*Y;
Z=sqrt(2*X*Y);%note: this is not element-wise!
How would you propose to make it one equation? They are only the same when they are 0. Do you want to have one function apply to one range of x and y and the other to the rest? If so, what are the edges?
Walter Roberson
Walter Roberson on 12 Jun 2019
perhaps you just need to add
hold on
after the first surf() ?

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