MATLAB: How to plot intergratoion results into a table

MATLABtable

syms f(t) tf f(t)=8*exp(-0.1*t); F(tf)=100-int(f(t),t,0,tf);

t = 0 hours to 24 hours I was wondering how I could have a table with column of hours going from 1-24 and a colum of F(tf) with the values

Best Answer

Try this:

syms f(t) tf
f(t)=8*exp(-0.1*t);
F(tf)=100-int(f(t),t,0,tf);
tf=1:24;
Ftf=double(F(tf));
Tab=array2table([tf.',Ftf.'],'VariableNames',{'Hour','Value'})

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MATLAB: Average values from timeseries

Below is a general scetch of what you need to do. Give it a shot and if you get stuck, share the code and let us know where you're stuck.

Use d = day(t,'dayofyear') to get the day-of-year number for each datatime value where t is the datetime column.
Use h = hour(t) to get the hour of each datetime value where t is the datetime column.
Use [G,ID] = findgroups(d,h) to group the days & hours (d and h are from the steps above)
Use Y = splitapply(@mean,data,G) to get the mean of each group of data where 'data' is a colum in your table. G is from the previous step.

MATLAB: How to plot a symbolic function with an intergral

Try this:

syms f(t) tf
c=100;a=8;b=0.1;
f(t)=a*exp(-b*t);
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tf=0:0.01:100;
plot(tf,F(tf))

Best Answer

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