CXD

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Last seen: 대략 2개월 전 | 2022년부터 활동

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sqrt6661661161

Spoken Languages:
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Mathematics and Optimization

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Hemisphere Volume on Top of a Cylinder
This MATLAB function has to calculate the volume of a hemisphere placed on top of a cylinder, given valid inputs. It takes the r...

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Find the surface area of a cone.
For instance, Given r (radius) = 3, and s (slant height) = 5: surface area should be 94.

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Find Rows with Specift Properities
Delete rows with specific properites as following: Find rows that have a negative value in any element of the row and delete it...

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Orthogonalize 3 column vectors using the Gram-Schmidt process
Use the Gram-Schmidt process to orthogonalize three linearly independent column vectors. Return three output column vectors that...

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Generate the sum of Squares of the given number
|P(n) = 1^2 + 2^2 + ... + n^2| |P(1) = 1| |P(2) = 1 + 4 = 5;| |P(3) = 5 + 9 = 14;| |P(4) = 14 + 16 = 30;|

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Summing the last column column
Given a matrix, return the sum of the last column of the array.

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Palindrome String
Determine if the inputted string is a palindrome. That is, the string is the same forwards as it is backwards. For example: ...

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Palindrome vector
Check if a given vector is Palindrome. Example, [1 2 54 32 45 5 33 456 45 456 33 5 45 32 54 2 1]

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Determine if a number is a cool number
A number is considered cool if it is 3 digits, has a 5 in it, and is divisible by 4.

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nxn matrix with elements from 1:n^2
really simple once you see what the matrix is supposed to look like. i appreciate what seems to be a clever approach to solving ...

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Compute the total length of lines between all vertices of a regular polygon
Write a function to compute the total length of between all vertices of a regular polygon inscribed in a unit circle. For exampl...

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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...

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convert the number to binary format & count digits
Convert the given number to the corresponding binary format and count the number of digits in that binary number

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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

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Basic matrix operations using standard MATLAB commands
Create the matrix: 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000...

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ASCII sum of phrases
Find the sum of the numeric equivalents of all characters entered in a phrase. For example: for the phrase 'My name is test', th...

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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 ...

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Sum of unique multiples of 3 and 5
If we list all the natural numbers up to 15 that are multiples of 3 or 5, we get 3, 5, 6, 9, 10, 12 and 15. The sum of these mul...

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Return median of a matrix
Compute median of a matrix of any dimension. Exclude the NaNs if any.

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Raise each element to the power of its index in a matrix
In a matrix, A = [1,2;3,4] raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274

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

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Delete x value in given vector y.
Delete x value in given vector y. Exapmle x=5; y=[ 1 2 5 6 74 5 2 5] result=[1 2 6 74 2]

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MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].

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Sum of numbers from 1-100
Sum up every whole number from 1 to 100. Include 1 and 100 in your calculation.

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Shift elements of vector left
Shift elements of vector to the left. For ex. : Input_vec = [1 2 3 4 5] Output_vec = [2 3 4 5 1]

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Even or Odd
Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

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Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

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Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

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reverse the order and combine a matrix

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Geometrical meaning of determinant
Given two vectors x,y, in 2D or three vectors x,y,z in 3D space, compute the area (or volume) of the parallelogram they define. ...

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