Need help on designing plot

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KSK ，2015-5-27

评论： KSK ，2015-5-27

Dear all,

Can anyone help me with the below? Appreciate if anyone can help. Thank you!

Design an x-y plot for the following where the values of x are from 0 to 20π with a spacing of π/100.

a. y = x.sin(x)

b. z = x.cos(x)

c. Convert the above 2D into a 3D plot using z as the third axis

Regards,

Martin

Youssef Khmou 2015-5-27

编辑：Youssef Khmou 2015-5-27

defining the variable is the first step :

x=0:pi/100:20*pi;

using element wise operation :

 y=x.*sin(x);
 z=x.*cos(x);

Three dimensional graph is given by :

plo3t(x,y,z)

KSK 2015-5-27

Youssef Khmou Thank you very much! its work! i got two more question i posted today. hope you can help me. =) Really appreciated!

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