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Hi, I have a problem. Please help me!!!

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SULE SAHIN
SULE SAHIN 2017-10-27
评论： Walter Roberson 2018-4-27
Write a function called sindeg that takes a matrix input called deg. The function returns a matrix of the same size as deg with each of its elements containing the sine of the corresponding element of deg. Note that the elements of deg are given in degrees and not radians. As a second output, the function returns a scalar that contains the average value of the first output. You are not allowed to use the sind and cosd built-in functions, but the use of any other function is acceptable.
My answer is
function [sine, mean_sine] = sindeg(deg)
sine = ;
mean_sine = sum(sine) / length(deg);
I couldn't fill sine because I dont understand that. Please guide me about this.
  3 个评论
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Ahmos Sansom
Ahmos Sansom 2017-10-27
You just need to convert the degrees to radians then...
https://en.wikipedia.org/wiki/Radian
function [sine, mean_sine] = sindeg(deg)
% Convert to radians
my_radians = deg * pi/ 180.0;
% Use the sin function
sine = sin(my_radians);
% Work out average
mean_sine = mean(deg);
end
Walter Roberson
Walter Roberson 2018-4-27
Please do not close questions that have an answer.

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回答（1 个）

Debolina Mahapatra
Debolina Mahapatra 2017-11-3
编辑：Debolina Mahapatra 2017-11-3
function [sine, mean_sine] = sindeg(deg)
my_radians = deg * pi/ 180.0;
sine = sin(my_radians);
avg = (mean(sine));
mean_sine = sum(avg) / length(avg);
This will hopefully solve the problem :)

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