How can I find everything between two values?

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Yunming Zhang
Yunming Zhang 2017-6-8
评论： Image Analyst 2017-6-10
let's say I have the array and I was given another 2 X N array for the location of a value in the array
  • a b c d
  • e f g h
  • i j k l
  • how do I find values between two values using for loop, for example: how to I find 'e' if I was given the location of a&i, and find'b c' with the location of a and d. The two known values will always be in the same row or column.

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Image Analyst
Image Analyst 2017-6-8
Try this, with your two coordinates (row1, col1) and (row2, col2)
if row1 == row2 % Rows are equal
output = m(row1, col1+1:col2-1);
else % Columns are equal
output = m(row1+1:row2-1, col1);
end
You'll have to check and make sure that 1 and 1 are not the same row and column so that there is actually something in between them. And make sure that 2 has larger columns or rows than 1. I didn't put in that kind of pre-validation of the row and column indexes but it's easy to do.
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Yunming Zhang
Yunming Zhang 2017-6-9
what if I want to go left to right as well as right to left?
Image Analyst
Image Analyst 2017-6-10
What does that mean? If you just want row1 to be the max instead of the min, just swap min and max inside deal().

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