Trying to make a piecewise function that isn't for graphing or using the piecewise function itself
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Kylenino Espinas
le 9 Déc 2020
Modifié(e) : James Tursa
le 9 Déc 2020
function y = project2Tester(x)
y = zeros(size(x));
x1 == (x <= -1);
y(x1) = log(abs(x));
x2 == (-1 < x & x < 0);
y(x2) = abs(x);
x3 == (0 <= x & x < 1);
y(x3) = x;
x4 == (x >= 1);
y(x4) = log(x);
y(~(x1 | x2 | x3 | x4)) = 0;
end
Is my code. If I use = instead of == an error occrurs as well. If I use x1/2/3/4 instead of x into the y(x) = it still doesn't work. I'm kinda confused on where to go because I've tried everything.
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James Tursa
le 9 Déc 2020
Modifié(e) : James Tursa
le 9 Déc 2020
Use logical indexing on both sides of the assignment. E.g.,
function y = project2Tester(x)
y = zeros(size(x));
x1 = (x <= -1);
y(x1) = log(abs(x(x1)));
x2 = (-1 < x & x < 0);
y(x2) = abs(x(x2));
x3 = (0 <= x & x < 1);
y(x3) = x(x3);
x4 = (x >= 1);
y(x4) = log(x(x4));
y(~(x1 | x2 | x3 | x4)) = 0; % not really needed since you initialized y to 0's
end
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