# Joseph Hollmann

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I am a PhD student in Electrical Engineering at Northeastern University. My current research is focused on optical imaging for biomedical applications but I have also worked in downhole imaging.

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Count number of words in string

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Finding Perfect Squares

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Sum all integers from 1 to 2^n

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Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

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Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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Distance walked 1D

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The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

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vector to string

Determine what the ASCII characters spell out. Example: input = [ 72 73 71 72] output = 'HIGH'

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How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

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Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Double colon operator: Counting down

* Construct a row array countValues from startValue to endValue, elements decremented by -2 end Ex: If startValue is 10 and ...

9 years ago