Is this code ok?It asked to plot function together with hold on...syms x y; t=-2:0.1:2 n=-2:0.1:2 x=2*sin(4*pi*t); y=2*sin(4*pi*n); plot(t,x,'r',n,y,'g'); hold on; title('function'); legend('x function', 'y function'); grid on;
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Is this code ok?It asked to plot function together with hold on. But when I run code,I have just y function ?
syms x y;
t=-2:0.1:2
n=-2:0.1:2
x=2*sin(4*pi*t);
y=2*sin(4*pi*n);
plot(t,x,'r',n,y,'g');
hold on;
title('function');
legend('x function', 'y function');
grid on;
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Réponses (2)
Walter Roberson
le 23 Avr 2013
You only get one plot line because your "t" and "n" are the same, and you apply the same formula to each of them, so the results are identical.
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bym
le 23 Avr 2013
- no need for syms x y
- x & y are the same thing
perhaps you meant
y = 2*cos(4*pi*t)
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