In a right angle triangle given area 'A'
one arm=x, another arm=2x
then find the value of x.
For example, area A=400 then x=20;
Find all elements less than 0 or greater than 10 and replace them with NaN
2 b | ~ 2 b
Specific Element Count
Create matrix of replicated elements
convert tan to sin
Find the logic
Given a 4x4 matrix, swap the two middle columns
Simple date to serial no. conversion
match 2 string
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