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i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above array of x and y. if value of x is 4 then what is the value of y.

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vipul utsav
vipul utsav 2012-11-29
i have two array x=[1 6 8 9],y=[3 6 9 14],then i plot (x,y) in matlab. i have no linear equation of x,y. i have only above array of x and y. if value of x is 4 then what is the value of y.

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Azzi Abdelmalek
Azzi Abdelmalek 2012-11-29
编辑：Azzi Abdelmalek 2012-11-29
x=[1 6 8 9]
y=[3 6 9 14]
x0=4
y0=interp1(x,y,x0)

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