making a multiplication program.

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Siddhartha 2018-2-9

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评论： Siddhartha 2018-2-10

I just started with Matlab a few weeks ago and I have to write a code that generates ten sets of two random single digit numbers. Then a user has to write in the product of these two random numbers and I have to provide feedback on how many answers were correct out of the ten sets. I don't know where to start in terms of how to make the user interact with the function and how to generate the ten sets. I can figure out how to provide the feedback logically but the way of providing feedback and generating the sets is new to me.

Thanks!

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Answer 1

KSSV 2018-2-9

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https://ww2.mathworks.cn/matlabcentral/answers/381653-making-a-multiplication-program#answer_304233

Read about rand, prompt and find.

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Siddhartha 2018-2-10

在 MATLAB Online 中打开

So I created the code that asks for the user input and provide feedback after each quesiton. My problem is After the answering the set, I have to provide a summary of how many answers were correct and ask if they'd like another set of problems. I am not sure how to do these two things?

 Code:
a=randi(9,1,1)
b=randi(9,1,1)
a*b==value;
prompt= 'what is the product of a*b?';
x=input(prompt);
y=a*b;
if x==y
    fprintf('your answer is correct\n')
elseif fprintf('your answer is incorrect\n')
end
c=randi(9,1,1)
d=randi(9,1,1)
prompt= 'what is the product of b*d?';
x=input(prompt);
y=c*d;
if x==y
    fprintf('your answer is correct\n')
elseif fprintf('your answer is incorrect\n')
end