MATLAB: How to display output in Matlab gui

excelguihomeworkprompt

prompt{1}='Enter 1st grade :';
prompt{2}='Enter 2nd grade :'; 
name='result';
answer=inputdlg(prompt,name);
a=xlsread('inputdata.xlsx');
excel file values are
0.1  0.1  0.1
0.1  0.2  0.1
0.1  0.3  0.1
0.1  0.4  0.2
0.1  0.5  0.2
0.1  0.6  0.2
0.1  0.7  0.3
0.1  0.8  0.3
0.2  0.1  0.1
0.2  0.2  0.2
0.2  0.3  0.2
0.2  0.4  0.2
0.2  0.5  0.3
0.2  0.6  0.3
0.2  0.7  0.3
0.2  0.8  0.4
0.3  0.1  0.1
0.3  0.2  0.2
0.3  0.3  0.2
1st grade values are in 1st column
2nd grade values are in 2nd column
if user enter values for 1st and 2nd grade, then it has to display the output. output is the corresponding 3rd column value.
for eg:
Enter 1st grade : 0.2
Enter 2nd grade :0.8
output is 0.4
please give me a solution

Best Answer

You'll need to understand this entry in the FAQ before you complete your homework exercise: http://matlab.wikia.com/wiki/FAQ?&cb=7634#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F
Another hint, to display a value
message = sprintf('The value is %.2f', someValue);
uiwait(msgbox(message));
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