When creating a vector why does the size change when using a variable vs using a value?

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I am trying to create the time vector that starts at 0, has a step size of variable predefined (stepsize) and ends at predefined variable (fin_time).
In this case I calculated stepsize=0.0990 and fin_step=14.256
It would look like this time=[0:stepsize:fin_time]. When I type this I get a 144x1 vector.
When I type the value of stepsize manually. time=[0:0.0990:fin_time] I get a 145x1 vector. This is what I want.
How come the variable is exactly the same value but gives a different answer?

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Stephen23
Stephen23 am 10 Apr. 2021

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