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MATLAB Central > MATLAB Newsreader > linear extrapolation 

Hi guys, 
"Asghar " <asgharally@hotmail.com> wrote in message <hqa8uu$g95$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hqai74$qb$1@fred.mathworks.com>... 

the curve isn't actually a proper one.. then i've used the polyval function and then did a line of best fit. i thought i could extrapolate that line using matlab. is there a way of obtaining the function of that line? and then i could just work it out without matlab by doing calculations for linear extrapolation. 
"Asghar " <asgharally@hotmail.com> wrote in message <hqaipc$alq$1@fred.mathworks.com>... 
"Asghar " <asgharally@hotmail.com> wrote in message <hqakjh$d2i$1@fred.mathworks.com>... 
"Asghar " <asgharally@hotmail.com> wrote in message <hqaipc$alq$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hqampe$hme$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hqanlg$1un$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hqaobh$c6m$1@fred.mathworks.com>... 
"Asghar " <asgharally@hotmail.com> wrote in message <hqapjc$2ec$1@fred.mathworks.com>... 
"John D'Errico" <woodchips@rochester.rr.com> wrote in message <hqaq1t$99q$1@fred.mathworks.com>... 
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