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Symmetry of vector
Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

10 years 前

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Matlab Basics - Sum a vector
Write a script to add up all the elements in a vector e.g. x = [1 2 3 4] --> output = 10

10 years 前

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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

10 years 前

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Matlab Basics - y as a function of x
write a script to calculate y as a function of x, such that y = 6x^2 + 5x - 2

10 years 前

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

10 years 前

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Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

10 years 前

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Constructing strings
* Construct a string alphaString from 'a' to endLetter, using the double colon operator. Ex: If endLetter = 'e', then alphaSt...

10 years 前

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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 前

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

10 years 前

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Extracting data: Heart rate (pulse)
The resting heart rate for an average adult is 60 - 100 beats per minute. Assign row array heartExtracted with all values in row...

10 years 前

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Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

10 years 前

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Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

10 years 前

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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

10 years 前

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Largest Twin Primes
<http://en.wikipedia.org/wiki/Twin_prime Twin primes> are primes p1, p2 = p1 + 2 such that both p1 and p2 are prime numbers. Giv...

10 years 前

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Given a matrix, return the last eigen value
Given a matrix, return the first eigen value For example: x = magic(5) 17 24 1 8 15 23 5 7 14 ...

10 years 前

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Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

10 years 前

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Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal.

10 years 前

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convert matrix to single column
given any matrix, convert it to single column

10 years 前

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Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

10 years 前

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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...

10 years 前

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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. Ex: If runTimes =...

10 years 前

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Area of rhombus
Calculate the rhombus area

10 years 前

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Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

10 years 前

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Generate pi using logarithm
Generate pi using logarithm

10 years 前

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Find the logic
There exists one logic in between input and output. Find it (easy math). Example 1: x=13 then y=339; Example 2: x=26...

10 years 前

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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 前

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

10 years 前

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Add 7
Given an input variable x, output a variable y that is 7 greater than x. Example: Input x = 1 Output y is 8 Input ...

10 years 前

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Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

10 years 前

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

10 years 前