How do write a while loop for a function m file that takes the input of a function handle?
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I have to create a function me file called myfirstzero(f,a) which takes two inputs:
f: A function handle which you may assume will represent a polynomial.
a: A real number.
Does: Uses a while loop to find the smallest n such f^(n)(a) = 0. Note that this means the nth derivative at x = a and note that n = 0 is fair game, where the 0th derivative of a function is just the function itself.
Returns: This value of n.
All I need is for somebody to help get me started writing this code. All I was able to write so far is:
function x=myfirstzero(f,a);
I just don't know what the while loop conditions are that need to be met to start the while loop. Or statements needed inside the while loop.
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Star Strider
2014-9-14
编辑：Star Strider
2014-9-14
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2 个评论
Bri
2014-9-14
Star Strider
2014-9-14
According to Sea’s description of the problem, the loop has to run while (d > 0) and not compute higher than the 6th derivative. The n counter counts the degree of the derivative.
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