plot with if else command

Question

0 votes

c=[1 -12 24 -48]

croots=roots(c)

Use the if - elseif construct to plot the 1st root as follows: if

the root is less than 3 or greater than 5, plot the root as red + with

size 32; if the root is greater than 3 and less than 5, plot the root

as a blue square size 32.

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madhan ravi on 6 Mar 2019

Please show what you have tried for your homework.

Answer 1

KSSV on 6 Mar 2019

0 votes

Check the demo example.

figure
hold on
for i = 1:10
    x = rand ;
    if x < 0.5 
        plot(i,x,'*r')
    else 
        plot(i,x,'*b')
    end
end

Yingnan Huo on 6 Mar 2019

thanks