the piecewise function runs out a weird figure
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function codes are as this
function f = myfun(x)
if (x<1);
f=x.^2 ;
else
f=x;
end
end
main program codes are as this
clc;
clear all;
close all;
x=0:0.1:10;
y=myfun(x);
plot(x,y)
a simple figure but a queer figure,why
1 Commento
Adam Danz
il 12 Mar 2019
Hint from
doc if
"An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric)."
Risposte (1)
Voss
il 3 Giu 2022
x=0:0.1:10;
y=myfun(x);
plot(x,y)
function f = myfun(x)
idx = x < 1;
f = zeros(size(x));
f(idx) = x(idx).^2;
f(~idx) = x(~idx);
end
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