Your code has the solution (for the matrix function output).
Do the same for input:
r=[3 1;4 2;3 5;8 2];
function val=H(z)
x=z(:,1);
y=z(:,2);
val=(1.25*y-sqrt(abs(x))).^2 + x.^2 - 1;
endfunction;
Regards,
Rafael
-----Original Message-----
From: users [mailto:users-boun...@lists.scilab.org] On Behalf Of Hermes
Sent: Saturday, October 07, 2017 1:05 PM
To: users@lists.scilab.org
Subject: [Scilab-users] evaluate matrix in a function
how do I declare the functions to be able to evaluate a matrix
variable(Multiple evaluation of a function). Where the first column
corresponds to the first variable of the function. And so on.
is only possible within a "for" cycle? how to declare the function to be
able to use the operator "dot"
r=[3 1;4 2;3 5;8 2];
function val = H(z)
x=z(1);
y=z(2);
val=(1.25*y-sqrt(abs(x)))^2+x^2-1;
endfunction;
function Sys=g(x)
gx=x(1);
gy=x(2);
g1=2*gx-(gx*(1.25*gy-sqrt(abs(gx))))/abs(gx)^(3/2);
g2=2.5*(1.25*gy-sqrt(abs(gx)));
Sys(:,1)=g1;
Sys(:,2)=g2;
endfunction
V=g(r)';
disp(V,"g");
J = diffcode_jacobian(H,r);
disp(J, "Jacobian");
Gracias
Hermes
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