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How to make input values go into a matrix set?

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Daniil Hart
Daniil Hart el 21 de Oct. de 2020
Cerrada: MATLAB Answer Bot el 20 de Ag. de 2021
How can make the script ask for you to type in two values and have it store those two values into a matrix?
example:
Point A = input(' Enter coordinate point location (x,y)
Command Window: >> 2 , 4
Then is stores those two as PointA = [ 2 , 4 ]
is there any way to do that without you having to enter " [ 2 , 4 ] " into the command window??
the only way i've figured out so far is doing this but it requires a seperate input for each value like ive shown below, is there a way to simplify?
d = input(" Enter X value for A \n");
e = input(" Enter Y value for A \n");
f = input(" Enter X value for B \n");
g = input(" Enter Y value for B \n");
h = input(" Enter X value for C \n");
i = input(" Enter Y value for C \n");
PointA = [ d , e ];
PointB = [ f , g ];
PointC = [ h , i ];
  2 comentarios
Daniil Hart
Daniil Hart el 21 de Oct. de 2020
To clarify is there a way to turn
d = input(" Enter X value for A \n");
e = input(" Enter Y value for A \n");
into one step, so you could enter both d and e in a single step?
Fangjun Jiang
Fangjun Jiang el 21 de Oct. de 2020
then you have to enter " [ 2 , 4 ] "

Respuestas (1)

Fangjun Jiang
Fangjun Jiang el 21 de Oct. de 2020
InputStr= input(' Enter coordinate point location (x,y)','s');
Command Window: >> 2 , 4
PointA=str2num(InputStr)
  2 comentarios
Daniil Hart
Daniil Hart el 21 de Oct. de 2020
Thank you! That works, however I'm not sure if my prof will even accept that since we haven't covered that command yet.
Fangjun Jiang
Fangjun Jiang el 22 de Oct. de 2020
Or a stretch code like this, no duplicated code, no fancy functions, no unnecessary typing for the user
%%
PointA=[0 0];
Msg={'x','y'};
for k=1:2
PointA(k)=input(['Enter ',Msg{k},' value for A\n']);
end

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