how to prevent user from entering non-numeric values?
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t = 0:0.0001:0.07;
v0 = input('please Enter the value for v0:');
R = input('please Enter the value for resistance:');
C = input('please Enter the value for capacitacne:');
f = input('please Enter the value for frequency:');
m = length(t);
state = 'on';
for A = 1:m
vs(A) = v0 * sin(2*pi*f*t(A));
switch state
case 'on'
vR(A) = vs(A);
iR = vR(A)/R;
iC = 2*pi*f*C*v0*cos(2*pi*f*t(A));
I = iC + iR;
if I<=0
state = 'off';
tA = t(A);
end
case 'off'
vR(A) = v0*sin(2*pi*f*tA)*exp(-(t(A)-tA)/(R * C));
if vs(A) >= vR(A)
state = 'on';
end
end
end
plot (t,vs,':',t,vR,'k')
thank you...
6 Kommentare
Image Analyst
am 17 Sep. 2013
I noticed you editied it but didn't get it quite right. See this link : http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup. Basically you don't need to double space your code. all you need to do is to make sure there's a blank line in front of it, then highlight it and click the {}Code button.
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