Swap the first and last columns
Replace NaNs with the number that appears to its left in the row.
How many trades represent all the profit?
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Back to basics - mean of corner elements of a matrix
Connect blocks in a model
Produce a sine wave
Model a mass spring system
Produce a cosine wave
Add damping to a mass spring system
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