how to find x value on this graph point name is find??

[Rahul punk]

i already found all these values

y max

x max

y min

x min

but ,how to find y max previous and next plot point x value??

[Rahul punk]

please help me anyone if u know the answer how to find y max start and ending point in multiple peaks.....

Answer 1

[KSSV]

Read about min and max. It gives you indices of the respective v alue also.

[val,idx] = max(y) ; 
iwant = [x(idx) val] ;   % maximum point 
iwant1 = [x(idx-1) y(idx-1)] ;   % previous point of max 
iwant2 = [x(idx+1) y(idx+1)] ;   % next point of max 

[Rahul punk]

[KSSV]

Solved or not?

[Rahul punk]

not