marking some points.

A=[0.8570, 1.0447 , 1.2136 , 1.3637 , 1.4670 , 1.4576 , 1.3731 , 0.9696 , 0.6505 , 0.2845]

B=[1.2136,.2845]

plot(A)

I need to mark the B points in the plot(A).Please help me.

Answer 1

[Geoff Hayes]

Silpa - you could try something like

A=[0.8570,  1.0447  ,  1.2136  ,  1.3637  ,  1.4670   , 1.4576  ,  1.3731  ,  0.9696  ,  0.6505 ,   0.2845]
B=[1.2136,.2845];
plot(A);
hold on;
plot(cell2mat(arrayfun(@(x)find(abs(A-x)<eps),B, 'UniformOutput',false)), B,'*');

where we use arrayfun to get the indices of the element of B in A (so that they are drawn at the correct coordinates).

Note that the above doesn't handle the case where the elements of B are NOT in A, so you would need to add code to guard against this.

[Silpa K]

Thank you sir for your help.