Basic queries Matlab (vectors, indexing, construct matrices in a specific form)
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Abderrahmane Elakhiri
el 24 de Mayo de 2020
Comentada: Abderrahmane Elakhiri
el 27 de Mayo de 2020
Hello community,
I am beginner in Matlab. I am struggling with the following exrcises. I only managed to answer 1 & 5 however the others confuse me and I don't even know how to start specially with 2 & 3. Please I need your help
My solutions:
%Exercise 1
x = [2:3:89]
%Exercise 5
function density=ExamC()
x=input('Please enter x: ');
m=input('Please enter mean: ');
s=input('Please enter standard deviation: ');
f=1/(s*sqrt(2*pi))*exp(1)^((1/2)*((x-m)/s)^2);
disp('Value of density is: '), disp(f);
end
Thank you for your help,
Abdel
5 comentarios
per isakson
el 24 de Mayo de 2020
Or
%Exercise 2:
vec = [1 2 3 4 5 6 7 8 9 10];
vec( 2 : 2 : end ) = 5;
Respuesta aceptada
per isakson
el 24 de Mayo de 2020
Exercise 1 and 2
"[...] however it confuses me the way the question is written!" Agree; the very same vector has three different names, x, vec and v. (It might be about level of abstraction; an effort to distiguish between the vector and its representation in Matlab.)
Exercise 3.
The text is ok.
Exercise 4.
There are relevant examples in the documentation on plot()
Exercise 5.
The statement
function density=ExamC()
doesn't follow the instruction. The last sentence says
function f = density( x, m , s )
(to my best understanding)
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