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length of a vector
Find twice the length of a given vector.

9年以上前

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Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

9年以上前

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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

9年以上前

質問

Tight Boundary around a Set of Points
I want to draw a tight boundary around a set of points. The code is used below to draw the black boundary around the blue points...

約10年前 | 3 件の回答 | 0

3

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質問

Multidimensional array indexing question
I have a matrix |x| that is of size [61 2 45]. linearIndex = find(x(:,1,:) < x(:,2,:)); xAverage = (x(:,1,:) + x(:,2,:))...

約10年前 | 2 件の回答 | 0

2

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Coordinate geometry
Assign pointsDistance with the distance between point (x1, y1) and point (x2, y2). The distance is calculated by: Distance =...

10年以上前

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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年以上前

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Indexing an array element
* Assign currentStudent with the second element of array testScores. _Reminder: Array indexing starts with 1._

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Character variable: Compass direction
* Assign compassDirection with sensorReading's value. Both are character variables.

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Comments
* Fix the syntax errors.

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Population growth
Assign finalPopulation with the population size given an initial population, population growth rate, and number of years. The fi...

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Declaring a string
* Assign streetAddress with the string 1313 Mockingbird Lane.

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

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

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Declaring a character
* Assign middleInitial with the character T.

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Construct an array
* Construct an row array named observedValues with elements sensorReading1, sensorReading2, and sensorReading3.

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Function definition: Double down.
* Complete the DoubleDown function to return twice the initialValue.

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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...

10年以上前

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Logic variables
* Assign isAvailable with true.

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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...

10年以上前

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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年以上前

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

10年以上前

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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...

10年以上前

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Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

10年以上前

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

10年以上前

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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,...

10年以上前

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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. ...

10年以上前

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

10年以上前

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Compute the step response of a DC motor
Compute the step response of a DC motor shown below <<http://blogs.mathworks.com/images/seth/cody/dc-motor.png>> The param...

10年以上前

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Model a simple pendulum
Model a simple pendulum of length 200cm with bob of mass 100g and plot the position in degrees. The pendulum starts at 30 degree...

10年以上前