create dummy variable for different time periods
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susman
am 27 Jan. 2021
Kommentiert: Star Strider
am 27 Jan. 2021
I have to create dummy variable for interval1 and interval 2
Suppose,I have equation;
Dependent = exp(1.2 + 0.0099*(Interval1) - 0.0625*(Interval2))* exp (-0.0134*t )
I want to run these equations from time, t = 20 to t = 100
and
interval1 = 1 if t = 20:24 else 0
interval2 = 1 t = 25:100 else 0
I am stuck with the code, please guide me. I want to have an easy solution.
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Star Strider
am 27 Jan. 2021
Try this:
Dependent = @(t) exp(1.2 + 0.0099*t).*((t>=20) & (t <= 24)) - 0.0625*exp(-0.0134*t ).*((t>=25) & (t<=100));
t = linspace(0, 110, 1E+4);
figure
plot(t, Dependent(t), 'LineWidth',1.25)
grid
xlabel('t')
ylabel('Dependent(t)')
There are some discontinuities because of the way you defined the limits of the segments.
2 Kommentare
Star Strider
am 27 Jan. 2021
My pleasure!
In this example, ‘q11’ defines a vector. I have no idea what the other elements of ‘Matrix’ are, however so long as the dimensions are the same for all of them (vectors the same size as ‘t’) there should be no problems.
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