How do I make empty lists in MATLAB Live Script and append to it?

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NiNa
NiNa 2018-7-1
回答： Madeline Gardner 2018-7-3
I want to make 3 empty list, in which I can append values to as shown in the following (The code is written in Python):
na=[]
nb=[]
t=[]
na.append(float(raw_input("the initial number of nuclei A:")))
ta=float(raw_input("the constant time of nuclei A:"))
nb.append(float(raw_input("the initial number of nuclei B:")))
tb=float(raw_input("the constant time of nuclei B:"))
tt=float(raw_input("the total time:"))
dt=float(raw_input("the time step:"))
t.append(0)
I do not know how this is done in MATLAB. Please help.

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回答（1 个）

Madeline Gardner
Madeline Gardner 2018-7-3
Hello!
Luckily, Python and MATLAB have pretty similar syntax, so your code is actually going to look pretty similar! You'll be using the function input which, unlike Python, can actually return a float (or a 'double', which is one type of floating-point number in MATLAB) and not just a string. And adding to an array in MATLAB is also very easy, since MATLAB is designed around arrays, vectors, and matrices -- you can just put brackets around the original array and the new elements, like so [array, elem] to concatenate them.
So, your code will follow the general form:
na = []
x = input("the initial number of nuclei A:")
na = [na x] % No need to change the type of x
I hope that helps! Also, if you're new to MATLAB, there are some very helpful tutorials to get you started here: https://www.mathworks.com/help/matlab/getting-started-with-matlab.html

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