How ı can write this function on Matlab
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Sulaymon Eshkabilov
2020-6-4
Hi,
Here is one of the possible solutions for x having a single value:
function Y = MY_fun(x)
if x>=1 && x<10
Y = exp(-x-1)/(log10(x)+log(x));
elseif x>=10
Y=sin(3*x)/sqrt(3*pi);
else
Y = x^(-exp(1)+x)+sqrt(x)*abs(x);
end
end
13 个评论
madhan ravi
2020-6-4
Homework well done!
Emre Tutucu
2020-6-4
Sulaymon Eshkabilov
2020-6-4
where did you get: Soru3 or soru3
In the above code, there is no such function or command.
The posted code doesn't match the equations.
@Sulaymon: we discourage people from posting fully working solutions to homework problems, as that invites cheating.
If you want to allow array inputs: make sure the formulae themselves allow array operations (so .* etc). Pre-allocate an output vector. Then for every piece of the function create a logical mask. You can fill your output with y(L)=f(x(L));.
Emre Tutucu
2020-6-4
Emre Tutucu
2020-6-4
Rik
2020-6-5
It is your homework, not mine. Show that you have put in some effort. You already have a good idea about how to solve it, because you have a nearly correct answer. What did you try?
Emre Tutucu
2020-6-5
Walter Roberson
2020-6-5
You should only ever have exactly one script that contains "clear all" in your code base, as part of a script that is designed to reset MATLAB including closing all graphics and files and triggering garbage collection.
Having "clear all" in code is rather like Wile E. Coyote exploding the bridge underneath himself and expecting to stay safe in mid-air as long as he does not look down.
Walter Roberson
2020-6-5
Your code does not ever call your function f.
function y(L)=f(x(L))
That syntax is not valid. The left side of the "=" in a function statement must be one of:
- A single named plain variable with no indexing at all (including no structure references)
- [] around a list of named plain variables variables with no indexing at all (including no structure references). Commas are recommended between the variable names, but spaces are also accepted. Semi-colons are not accepted
- The special name varargout may be used as the left side by itself, or as the last entry in a list
The right side of the "=" in a function statement must be one of:
- a single named plain variable with no indexing at all (including no structure references) that acts as the function name
- function name as above followed by () with nothing in the ()
- function name as above followed by () and inside the () a comma-separated list of named plain variables with no indexing at all (including no structure references).
- Inside the () the special name varargin may be used as the only entry, or as the last entry in a list
- Inside the () the special token ~ may be used in place of any entry, such as function f(~,x)
Your code is not valid syntax because it tries to index the output variable, and because inside the () list on the right, it uses something that is not a plain variable or ~
madhan ravi
2020-6-5
Sulaymon comments:
%clc; % no need
%clear all; % no need
function Y=f(x) % Must be
% The rest comes here
end
Emre Tutucu
2020-6-5
Sulaymon Eshkabilov
2020-6-5
Your code had a few potential errs which are not MATLAB version problem.
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