Given a input vector x, return y as index-powered vector as shown below.
x = [2 3 6 9]
then y should be
[2^1 3^2 6^3 9^4] = [2 9 216 6561]
Reverse the Words (not letters) of a String
Rotate a Matrix
subtract central cross
Area of an Isoceles Triangle
Area of a triangle
Back to basics - array operations
Given an input string, generate a variable name out of it
Let's get back to school: create mixed numbered fraction
Create a matrix with difference of each row of input matrix
Create a v-notch vector without "sort" function
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