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Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

20 hours ago

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

20 hours ago

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Where is 1?
There is a 3d matrix [A] that consist of many zeros and only one. A=zeros(100,100,100); i=randi(100); j=randi(100); k=randi(...

20 hours ago

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Solve the system of linear equations
4x - 2y +6z=8 2x + 8y +2z=4 6x + 10y +3z=0 Input is each coefficient of polynomial. For example, a=[4 ...

20 hours ago

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Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

20 hours ago

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Extract a specific part of matrix!
In the given matrix, extract element that have odd rows and column number. For example A=[1 4 2 3 5] B=extractodd(A);...

20 hours ago

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Kinetic Energy
Given mass, m, and kinetic energy, KE, find the velocity of the object.

20 hours ago

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Radians to Degrees
Convert radians to degrees.

20 hours ago

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Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

20 hours ago

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

20 hours ago

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Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

20 hours ago

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Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

20 hours ago

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Energy of a photon
&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883 Given the frequency F of a photon in giga hertz. Find energy E of this photon...

20 hours ago

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

20 hours ago

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Area of square
Find the area of a square whose diagonal length is given as x.

20 hours ago

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Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

20 hours ago

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No more zeros
Given an array with zeros at the beginning or at the end, you should get the output without these zeros: input = [zeros(5...

20 hours ago

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Pascal's triangle
<https://en.wikipedia.org/wiki/Pascal%27s_triangle> if the order is: x = 3; the output will be: output = [0 0 0 1 0 0 ...

20 hours ago

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kmph to mph converter
Convert the speed in miles/hour to km/hour.

20 hours ago

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Basics: counting digits of a number irrespective of the sign
publish the number of digits in any input integer example: -23---->2

20 hours ago

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Basic matlab numeric and string manipulations
If entered input (n) is _numeric_ , compute its *log to the base (n+2)* , if it is a _lower case_ alphabet, *convert it to i...

20 hours ago

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Percentage of zeros in a matrix of only 1s and 0s
Write a function called _zero_stat_ that takes a matrix as an input that only has 0 and 1 elements. The function needs to comput...

20 hours ago

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Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings

20 hours ago

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concatenate the elements
you should concatenate the elements of a matrix in one dimensional array, for example if the input is A = [1 2 3; 4 5 6; 7 ...

21 hours ago

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determine the sum of the squares
if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.

21 hours ago

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sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

21 hours ago

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true or false
if the matrix has a zero, return true. else, return false

21 hours ago

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basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals. Example: Input: a = 1 ...

21 hours ago

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Check if there are white spaces in the input string
If there are white spaces in the input string, output=1 else 0

21 hours ago

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Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

21 hours ago