Could I use a function of x as input like this ( fun = input(' Function of x = ');) and then when I run the program insert a function of x ?
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Could you give me an example when the input is a function of x rather than a numerical term?
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Accepted Answer
James Tursa
on 27 Jul 2016
E.g., input your function as a MATLAB syntactically correct string, then use the str2func function to form a function handle. E.g.,
>> s = input(' Function of x = ','s')
Function of x = 2*x+1
s =
2*x+1
>> fun = str2func(['@(x)' s])
fun =
@(x)2*x+1
>> fun(1)
ans =
3
>> fun(2)
ans =
5
>> fun(3)
ans =
7
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