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I am trying to make a piecewise vector and have 10001 input values and should be getting 10001 output values, but am only getting one output value

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Maddie Sanders
Maddie Sanders 2020-2-2
编辑： Stephen23 2020-2-2
I am making a piecewise vector. I have 10001 t values and want to have the corresponding 10001 position values, but for some reason when I run the script I only get one position value. Does anyone know why this is happening and what I should do to fix it?
Here is my script:
t=-5:0.001:5; %time in milliseconds (ms)
if t<=-1; %ms
position=-t; %position in feet
elseif (t>-1)&(t<=1); %ms
position=t.^2; %ft
else 1<t; %ms
position=sin(t-1)/(t-1);%ft
end

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回答（1 个）

Walter Roberson
Walter Roberson 2020-2-2
t = vector
position = zeros(size(t))
mask = t<=-1
position(mask) = -t(mask) ;
mask = t>-1&t<=1;
position(mask) = t(mask).^2 ;
And so on

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