Regarding the differentiation of function

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Amy Topaz 2022-3-30

评论： Torsten 2022-3-30

I am trying to find the d(A)/dx and plot its value for y = 1,6,0.03,0.08,10 with respect to varying x from -10 to 10.

(ii) Find the value of the maxima for all the stated y values

How to do it?

x = -10:0.1:10;
y = [1 6 0.03 0.08 10]';
A = 23 * (atan((0.005 + y)/x^2));
B = diff(A);

Matt J 2022-3-30

x = -10:0.1:10;

y = [1 6 0.03 0.08 10]';

A = 23 * (atan((0.005 + y)./x.^2));

B = diff(A,1,2)/0.1;

plot(x(1:end-1),B')

Amy Topaz 2022-3-30

How to get the maximum values from the graph plotted for each y?

Torsten 2022-3-30

By applying MATLAB's "max" to the rows of B.

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