A space rocket has 3 stages:
- stage 1, s1;
- stage 2, s2;
- stage 3, s3.
If s1 burns 3 x as long as s2 which burns 2 x as long as s3 then how long did s3 burn if the total burn time was tt minutes? How long did s2 burn? s1?
Remove all the words that end with "ain"
First non-zero element in each column
Make a Star Pyramid
Moving average (variable kernel length)
Generate a NaN...on purpose
How many days does the cat take to climb out of the hole?
Is this matrix orthogonal?
Is A the inverse of B?
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