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Karthik Nagarajan


Last seen: 3 years ago |  Active since 2017

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Extraction of object boundaries from an image
Dear all, I am working with the above image that contains 20 irregularly shaped objects on a Cartesian grid. Given the (x...

3 years ago | 1 answer | 1

1

answer

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

3 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Question


Incorrect axes limits after using tight_subplot
Dear all, I am encountering an issue querying the axis 'ylim' property when using the tight_subplot function (https://www.mat...

3 years ago | 0 answers | 0

0

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Question


Using different colours in a quiver plot
Dear all, I am creating a 2D quiver plot and I need to show some of the arrows in the figure in a different colour from the res...

5 years ago | 1 answer | 0

1

answer

Answered
Unexpected result for arithmetic operation
I think I have found the answer: <https://www.mathworks.com/help/matlab/ref/eq.html#bt2klek-3>

6 years ago | 0

| accepted

Question


Unexpected result for arithmetic operation
Dear all, I am having some difficulty with what appears to be a bug. Consider the following simple code: clear;clc;clf; ...

6 years ago | 1 answer | 0

1

answer

Question


How to set same scale for contourf subplots?
Dear all, I have a subplot with 3 rows and 2 columns. Each panel is a 2D filled contour plot prepared using the contourf func...

6 years ago | 1 answer | 1

1

answer

Question


Activation of Matlab licence
Dear all, I am having difficulty activating a R2013a student version of MATLAB after installing it on a new laptop. In order ...

6 years ago | 1 answer | 0

1

answer

Question


How to access specific elements of an array?
Suppose I have two matrices A and x as follows: x = 1 2 2 3 A = 1 1 1 1 1 ...

7 years ago | 1 answer | 1

1

answer