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# Trouble using while loops

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Leora il 16 Set 2014
Chiuso: MATLAB Answer Bot il 20 Ago 2021
Give the following function
f(x)= x^3 -(5x)^2 +2^(x) - 10000x
Use a while loop to compute f(x) and then create a plot for 0<x<20.
This is what I have so far, I know I have to define x but I don't know what to set x= to since it did not specify.
f(x)=x^3 -(5*x)^2 +2^(x) -10000*x;
while 0<x<20
end
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Geoff Hayes il 16 Set 2014
Leora - your question seems like homework, so I will just give a hint. You know that x is greater than zero and less than twenty. You will need to choose a step size for x and iterate with the while loop conditioning on x being less than 20. Within the loop you will compute f(x) and increment x with the step size.

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