Solve given expression.
Note that this problem uses the word solve when it needs to say EVALUATE.
Also the required code to pass the tests shouldn't be available by COPY-AND-PASTE from Test Suite!
Replace NaNs with the number that appears to its left in the row.
Area of a disk
modulus of a number
Change matrix to vector2
Display positive elements of matrix.
Find the sines of an isosceles triangle when given its area and height
Sum positive elements of matrix.
Find hen's weight.
Find Euclidean norm of given vector u.
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