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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

6 years ago

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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...

6 years ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

6 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

6 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

6 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

6 years ago

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Given a and b, return the sum a+b in c.

6 years ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

6 years ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

6 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

6 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

6 years ago

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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:...

6 years ago

How to plot a line with angle of 'Orientation' and length of 'MajorAxisLength' through 'Centroid'?
Hi Ivan, Would <http://blogs.mathworks.com/steve/2010/07/30/visualizing-regionprops-ellipse-measurements/ this example> from ...

6 years ago | 2

Question

Tracing boundaries in a binary image
Hi guys, The question relates to the tracing of a boundary in a binary image. What I am interested in doing are the following...

9 years ago | 1 answer | 0

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How to truncate/modify a file name

9 years ago | 0

Question

How to truncate/modify a file name
Hi everyone, The question pertains to modifying file names during a batch processing operation. Basically, I would like to tr...

9 years ago | 3 answers | 0

### 3

Question

Introducing a border/outline to objects in an image.
Hi everyone, I have a question about how to introduce an outline to a mask. Please check the original source image at: <http:...

9 years ago | 2 answers | 0

### 2

Using xlswrite function
Hi, wow! thank you very much for the explanation - really appreciate that. I managed to fix the code and it's running without...

9 years ago | 0

Using xlswrite function
Hi, Thank you very much for the response. The only question I have left is on a snag I seem to have hit on the way in which t...

9 years ago | 0

Question

Using xlswrite function
Hi everyone, I am using the following code to output the results from a regionprops operation: clc clear all ...

9 years ago | 4 answers | 0