A résolu

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A résolu

Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

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A résolu

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

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A résolu

Average of even-numbered columns
Given a vector, find the average of even-numbered columns. e.g x　=　[ 4 6 8 9 1 2 7 ] y =　( 6 + 9 + 2 ) / 3

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A résolu

Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

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A résolu

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

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A résolu

Number Power
Raise a number to itself.

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A résolu

Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

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Remove all the columns contains only zero
Remove the column from the matrix which has only zeros . Refer the Example below a= 1 0 3 0 23 0 56 0 1 ...

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A résolu

Sum positive elements of matrix.
Calculate sum of positive elements of the matrix.

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A résolu

Find sum of negative elements in row.
Find sum of negative elements in row. Example x=[1 -5 3 4 -6 6 7 8 9 10] result = -11

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A résolu

Determine the square root
Determine the square root of the value the user has entered, n.

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A résolu

Mile to Kilometer
x is mile and y is km

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A résolu

matrix rows and columns

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A résolu

Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

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A résolu

modulus of a number
find the modulus of a given number

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A résolu

Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

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A résolu

Magnitude of a vector
Given a vector x, what is its magnitude?

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A résolu

For a rectangle, if x is the length and 2x is width. Then find out x from the area of the rectangle?
For a rectangle, if x is the length and 2x is the width. Then find out x from the area of the rectangle? if the area is equal...

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A résolu

Find the next Fibonacci number
In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

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A résolu

Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

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A résolu

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A résolu

Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

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A résolu

Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

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A résolu

Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

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A résolu

Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

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A résolu

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

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A résolu

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A résolu

Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

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A résolu

Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

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