please help with this function
4 visualizzazioni (ultimi 30 giorni)
Mostra commenti meno recenti
function [th rad]=cartopolar25(x,y
t=atan(y/x); rad=sqrt(x^2+y^2); if if x<0 if y<0 th=180+t return else th=180-t return end else if y<0 th=-t return else th=t return end end
end end
Hi I need help with this code, if you guys see any mistakes please let me know. I have to make a function to determine the polar coordinates from the Cartesian plane, thanks for the help yes I was able to get the degrees now all I need is the radians any tips with this current format thanks
0 Commenti
Risposta accettata
Narges M
il 23 Lug 2013
your function is this:
function [th rad]=cartopolar25(x,y)
th = atan(y/x);
rad = sqrt(x^2+y^2);
if x<0
if y<0
th=th+180;
else
th=th-180;
end
else
if y<0
th=-th;
end
end
and you need to call it like this:
[t,r] = cartopolar25(-11,20);
the output will be:
t =
-181.0680
r =
22.8254
Più risposte (3)
Gorji
il 23 Lug 2013
What is Y and X? Are they matrix? I think the structure of 'if' is incorrect you must use if & elseif & else
Andrew Reibold
il 23 Lug 2013
atan doesn't take the 'y over x' value you seem to be thinking of. It takes an angle in radians....
Y = atan(X) returns the inverse tangent (arctangent) for each element of X. For real elements of X, atan(X) is in the range [–π/2, π/2].
The atan function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.
Example Graph the inverse tangent function over the domain –20 ≤ x ≤ 20. x = -20:0.01:20; plot(x,atan(x)), grid on
0 Commenti
Vedere anche
Categorie
Scopri di più su Dimensionality Reduction and Feature Extraction in Help Center e File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!