loop function help please

2020 3 29
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更新时间：2020 3 29
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Use for loops to give the values of the following function: f(x) = 3x2 + 5x – 7 x < 0 3x + 4 x >= 0
for -10 <= x <= 10 in steps of 1

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回答（1 个）

David Hill
David Hill 2020-3-29

0 个投票

x=-10:10;
for k=1:length(x)
if x(k)<0
f(k)=3*x^2+5*x-7;
else
f(k)=3*x+4;
end
end

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