Why does my plot not display?
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I have this function:
function savings
salary=input('Positive number')
while salary<0
soldata=input('Positive number, please')
end
daily_spending=input('Negative number')
while daily_spending>0
daily_spending=input('Negative number, please')
end
savings=salary;
days=1;|
day_counter=1;
months=1;
while months<=12
savings=savings+daily_spending;
if days==30;
months=months+1;
savings=savings+salary;
days=0;
end
day_counter=day_counter+1;
days=days+1;
plot(day_counter, savings);
pause(0.05)
end
The problem I have is that when matlab starts plotting, it shows up the figure but not the line. Why is that? I can't figure it out. Could someone help me? This is what it looks like:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/146810/image.jpeg)
PD: Axes refresh well
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回答(2 个)
David Young
2015-1-15
The problem is that both day_counter and savings are scalars, so there is nothing to plot. I suspect that what you need is to store successive values in an array, and plot the array.
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