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Find Sign(Zero Crossing) Changes in Array
Example; A = [1 2 3 -3 -4 -1 -24 2 4 -1 -2 3 1]; ans; [1 2 0 -3 -4 -1 0 2 0 -1 ...

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Plus x: A first program
_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

11 years ago

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the hourly wage times 40 and times 50, because annualSalary = hour...

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Assigning a sum
* Write a statement that assigns numCoins with numNickels + numDimes.

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Fahrenheit to Celsius using multiple statements
°C = (°F - 32) x 5/9 * Write a statement that assigns fractionalMultiplier with 5/9. * Write a second statement that assign...

11 years ago

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Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...

11 years ago

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Write an expression
Assigns finalResult with firstSample plus secondSample, divided by 3. Ex: If firstSample is 18 and secondSample is 12, finalResu...

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Compute total cost
A drink costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the num...

11 years ago

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Computing wind chill
On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

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

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Indexing an array element
* Assign currentStudent with the second element of array testScores.

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

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Probability of Choosing a Red Ball
Given two jars of red and blue balls, find the probability of choosing a red ball from Jar 1 after going through the steps. ...

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Union of two set decreasing order
Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

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Find out output of following expression
Find out output of following expression Q=2log10 x+cos π+√(5yz)+|x^2-y^2 |

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Find out magnitude of vector
Find out magnitude of vector. Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2) Please don't use sum function.

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

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

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

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

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

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

11 years ago

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

11 years ago

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Relational operators and row arrays: Overweight baggage
* Assign overweightBaggage with true wherever baggageWeight is above maximumWeight

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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...

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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 ...

11 years ago

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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...

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

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

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

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