Using a loop to impose specific values
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Let's say I have a range of x going from -200 to + 200 and I want to force a function to take different initial conditions in these seperate regions. I.e., when x <= 0 we have say condition 1 and when x>0 we have condition 2.
I might not be explaining this terribly well but I feel an if or while loop may be required which imposes this.
回答（1 个）
For example,
x=linspace(-1,1,1000);
plot(x,twoparts(x))
function y=twoparts(x)
y=abs(x);
region=x>0;
y(region)=x(region).^2;
end
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