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Multiply two polynomials p and q given in in vector representation.
Multiply two polynomials p and q given in vector representation. Example p=[-2 0 1 -1 3 2] q=[1 0 -1 2 ...

meer dan 3 jaar ago

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Pointwise multiplication of vectors.
Pointwise multiplication of vectors x and y. Example x= [1 3 5 7 9 11 13 15 17 19] y=[ 1 4...

meer dan 3 jaar ago

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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='***'

meer dan 3 jaar ago

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Median computation (★★★)
See easy edition of this problem. However, now you must compute the median of any real-valued vector without using the in-built...

meer dan 3 jaar ago

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Create logarithmically spaced values (★)
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

meer dan 3 jaar ago

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Mo money, mo math 1! (★★★)
(adapted from Prob 9 Cody team) You have a vector where the elements represent the number of $20 bills, $10 bills, $5 bills, ...

meer dan 3 jaar ago

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Mo money, mo math #2! (★★★)
(adapted from Prob 9 Cody team) You have a matrix for which each row is a person and the columns represent the number of quar...

meer dan 3 jaar ago

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Largest Prime Number
Given a matrix X, find the largest prime number in X.

meer dan 3 jaar ago

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Approximate functions 1 (★★★)
Compute the following sum for any given x and positive integer n. <<https://i.imgur.com/eUwXdSE.gif>> <> Here m! denote...

meer dan 3 jaar ago

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Variance computation (★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

meer dan 3 jaar ago

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Matlab Basics II - Operations and Matrix Dimensions
Write a function that takes two inputs, a & b, and outputs the sum and product of the two matrices. The matrices have OPPOSITE d...

meer dan 3 jaar ago

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Matlab Basics II - Determine if an array has a 3rd dimension
For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D

meer dan 3 jaar ago

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Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

meer dan 3 jaar ago

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Select every other element of a vector (★★)
(copy of prob 6) Write a function which returns every other element of the vector passed in. That is, it returns the all odd-...

meer dan 3 jaar ago

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Matrix indexing with two vectors of indices (★★)
(copy of Prob 589) Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)). Thus, if...

meer dan 3 jaar ago

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Display positive elements of matrix.
Display positive elements of matrix.

meer dan 3 jaar ago

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Calculate the sum of elements of n*n Hilbert matrix.
Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

meer dan 3 jaar ago

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Create a square matrix with given conditions
Create a square matrix, M, which should be populated as follows: M = [ n^2 n * (n-1) n * (n-2) ... n * 2 n * ...

meer dan 3 jaar ago

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Form a square matrix from four square sub-matrices
Create a square matrix, y, from 4 square sub-matrices that will be constructed (x1, x2, x3, x4): y = [x1 x2; x3 x4]; ...

meer dan 3 jaar ago

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Find Logic 6

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Find Logic 8

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Find Logic 10

meer dan 3 jaar ago

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Weave two vectors into one
Weave the two given vectors into one as shown below. Example: If a = [1 1 1] b = [0 0 0] then y = [1 0 1 0 ...

meer dan 3 jaar ago

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Replicate elements in vectors (★★★)
(copy of Prob 867) Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2...

meer dan 3 jaar ago

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Reindex a vector (★★)
(copy of Prob. 676) You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX h...

meer dan 3 jaar ago

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Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

meer dan 3 jaar ago

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Test if a matrix is symmetric
Write a logical function that returns 1 if the input matrix is symmetric and 0 otherwise.

meer dan 3 jaar ago

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find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.

meer dan 3 jaar ago

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Find Logic 1

meer dan 3 jaar ago

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Find Logic 2

meer dan 3 jaar ago