Prof. Joe Hummel

U. of Illinois, Chicago

Active since 2014

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18,555
of 160,775

CONTRIBUTIONS
7 Problems
58 Solutions

SCORE
275

NUMBER OF BADGES
4

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Solved

Max of a Vector
Write a function to return the max of a vector

9 years ago

Solved

Logical indexing: Player scores
Player 1 and player 2 take turns playing a game. Row array gameScores contains the scores of player 1, then player 2, then playe...

10 years ago

Solved

Relational operators and row arrays: Overweight baggage
Create a logical indexing array overweightBaggage with true in each location where the corresponding baggageWeight is greater th...

10 years ago

Solved

Function definition: BMI calculator
Define a function CalculateBMI with inputs massKg and heightCm. The function returns bodyMassIndex. The function should be able ...

10 years ago

Solved

Logic array: Identifying qualifying times
Create a logic array qualifyingIndex with true for any location where the runner is male with a running time less than 8.2. Row ...

10 years ago

Solved

Indexing the last element: Print queue
* Delete the last element of row array printQueue.

10 years ago

Solved

Integer indexing array: Shift left
Write a *single* statement that shifts row array attendanceValues one position to the left. The rightmost element in attendanceV...

10 years ago

Solved

Integer indexing array: Weekend box office
The row array movieBoxOffice stores the amount of money a movie makes (in millions of $) for the 7 days of a week, starting with...

10 years ago

Solved

Function call in expression: Reduced pricing.
Write a single statement that assigns cartTotal with the discounted cost of items 1 and 2. Function DiscountedPrice will return ...

10 years ago

Solved

Element-wise division
* Assign row array weightKilo with the corresponding weight in kilograms. Use the following conversion: kg = lb / 2.2

10 years ago

Solved

Multiple element-wise operations: Percent change
Row arrays sales2013 and sales2014 reflect the quarterly sales (in millions) of a popular potato chip company. Write a statement...

10 years ago

Solved

Column arrays: Transpose a row array
* Construct a row array countValues with elements 1 to endValue, using the colon operator. * Transpose countValues to result in...

10 years ago

Solved

Arithmetic array operations
* Add x to each element of array temperatureReadings.

10 years ago

Solved

Constructing column arrays
* Construct a column array elevatorStops with values 2, 4, 5, 9, and 10

10 years ago

Solved

Constructing strings
* Construct a string alphaString from 'a' to endLetter, using the double colon operator.

10 years ago

Solved

Concatenating strings
* Write a statement that assigns fullName with firstName, a space, then lastName. Ex: If firstName is Alan and lastName is Tu...

10 years ago

Solved

Comparing floating point values
* Assign matchFound with true if firstSample and secondSample within thresholdValue.

10 years ago

Solved

Relational operators and row arrays: Run times
* Construct a row array fastRunTimes containing all elements of runTimes equal to or less than 480 seconds.

10 years ago

Solved

Relational operators: Guessing game
* Row array userGuess contains a sequence of user guesses. Assign correctGuess with true when myNumber is equal to the user gues...

10 years ago

Solved

Linear-spaced points array
* Construct a row array plotPoints with 5 values that are spaced linearly from lowValue to highValue. Ex: If lowValue is 1 and ...

10 years ago

Solved

Indexing the array: Shift right with variable sized arrays
* Write a statement to shift the array contents 1 position to the left. * Assign the rightmost element with -1. Ex: [12, 85...

10 years ago

Solved

Variable sized row arrays
* Reverse the contents of row array mileMarkers

10 years ago

Solved

Adding an element: Ticker tape
* Add stockPrice to the beginning of row array tickerTape

10 years ago

Solved

Concatenating arrays
* Assign studentIDs with concatenated row arrays groupA and groupB

10 years ago

Solved

Array resizing: Removing elements
* Remove elements 2, 4, and 6 from row array pendingTasks

10 years ago

Solved

Logical indexing: High scores
Row array gameScores contains all player scores. Construct a row array highScores than contains all player scores greater than 5...

10 years ago

Solved

Integer indexing array: Reverse subsets
Construct an indexing array copySubset so that the statement reversedOrder = origOrder(copySubset); results in a row array begin...

10 years ago

Solved

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 ...

10 years ago

Solved

Double colon operator: Increment by x
* Construct a row array countValues from 0 to 25, elements incremented by incrementValue. Ex: If incrementValue is 5, countVa...

10 years ago

Solved

Double colon operator: Counting up
* Construct a row array countValues from 1 to endValue, using the double colon operator. Ex: If endValue is 5, countValues s...

10 years ago