Conversion to logical from sym is not possible.
9 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
PetronasAMG
am 16 Feb. 2018
Bearbeitet: Birdman
am 16 Feb. 2018
This is what I have
syms x;
c = 12;
xmax = 5
if x >= 0 && x < xmax
y1 = symfun(c*((-((4)/(2.^2))*(x/c).^2)) + (4)/5*2)*(x/c)));
end
if x >= xmax && x < c
y2 = symfun((((c*2))/(100-(20*3)+3^2)))*((-(x/c).^2+ (3/5)*(x/c))+ (1-2/5)))));
end
plot(x,yc1);
hold on
plot(x,yc2);
grid on;
I get an error that says Conversion to logical from sym is not possible before it even calculates y1. I am new to this function. Any suggestions? also is there a better way to combine these two graphs? thank you!
1 Kommentar
KSSV
am 16 Feb. 2018
YOu have assigned variable x as symbolic......and you are using x >= 0, without evalating it...how you expect it works?
Akzeptierte Antwort
Birdman
am 16 Feb. 2018
Bearbeitet: Birdman
am 16 Feb. 2018
What you need here is piecewise function:
syms x;
c = 12;
xmax = 5;
y1=c*((-((4)/(2.^2))*(x/c).^2)) + (4)/5*2*(x/c);
y2=(((c*2))/(100-(20*3)+3^2))*((-(x/c).^2+ (3/5)*(x/c))+ (1-2/5));
y(x)=piecewise(0<=x<xmax,y1,xmax<=x<c,y2);
x=0:0.01:10;%random data for x
plot(x,y(x));
0 Kommentare
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Number Theory finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!