Find the index of a particular character in a string ignoring case.
Input: x = 'aAbhhfdf'
n = 'a'
Output: 1 2
Because in x, at position 1 and 2 , we have a (ignoring case)
You can use regexp
CONVERT TAN TO SIN
Sum of diagonals elements of a matrix
length of a vector
Create an anti-identity matrix
Determine the mean of matrix
Convert to Binary Coded Decimal
Transpose of matrix
Create vector as shown in test cases
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