Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes.
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Logical indexing works like this.
thresh = 4...
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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times.
Examples
n=2, A=[1 2 3] -> [1 1 2 2 3 3]
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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...
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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:...
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...
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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 ...
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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...
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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...
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Y=X
Given an input variable x, output a variable y that is equal in value to x.
Example:
Input x = 1
Output y is 1
Inp...