My graph isn't picking up my time increments. How can I fix it? My loop generates my x values, but I'm trying to graph them over time.
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% Ch=(Chd-Chs)e^(-t/ts)+Chs equation from C.3
clear
Ts=30; % ms
Td=60; % ms
Chs=.001; % L/mmhg
Chd=.015; % L/mmhg
N=800; % number of elements
t=0:1:800; % all time values together
for i=0:N
if any(i==0:99)
Ch(i+1)=Chd; % starts at .015 L/mmhg in chd phase
elseif i>99 & i<350
Ch(i+1)=(Chd-Chs)*exp((-t(i))/Ts)+Chs; % switches to chs
elseif i>349
Ch(i+1)=(Chs-Chd)*exp((-t(i))/Ts)+Chd; % switches back to chd
end
end
timebase=0:.01:8; % putting back in s
plot(timebase,Ch)
grid on
ylim([0 .02])
xlabel('time(s)')
ylabel('Ch (L/mmHg')
It's not picking up my y values, I'm trying to graph this over time and it's not working, it shouldn't be a straight line up and down, but its turning out that way.
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Accepted Answer
KSSV
on 25 Sep 2023
clear
Ts=30; % ms
Td=60; % ms
Chs=.001; % L/mmhg
Chd=.015; % L/mmhg
N=800; % number of elements
t=0:1:N ; % all time values together
Ch = zeros(1,N) ;
for i=1:length(Ch)+1
if i<=99
Ch(i)=Chd; % starts at .015 L/mmhg in chd phase
elseif i>99 && i<350
Ch(i)=(Chd-Chs)*exp((-t(i))/Ts)+Chs; % switches to chs
else
Ch(i)=(Chs-Chd)*exp((-t(i))/Ts)+Chd; % switches back to chd
end
end
timebase=0:.01:8; % putting back in s
plot(timebase,Ch)
grid on
ylim([0 .02])
xlabel('time(s)')
ylabel('Ch (L/mmHg')
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