Riccardo Dessì
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Solved
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
1 year ago
Solved
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
1 year ago
Solved
Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...
1 year ago
Solved
the average value of the elements
Calculate the average value of the elements in the array
1 year ago
Solved
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
6 years ago
Solved
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
6 years ago
Solved
Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...
6 years ago
Solved
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
6 years ago
Solved
Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...
7 years ago
Solved
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...
7 years ago
Solved
Covering area
As an extension of the problem <http://www.mathworks.com/matlabcentral/cody/problems/416-polygon-area>, find the area, bounded b...
7 years ago
Solved
Find the Area of a Polygon
Consider 2-D geometry and assume that the points are given in form of rows of a matrix. Find the area of polygon enclosed by the...
7 years ago
Solved
Spherical radius given four points
Determine the radius of a sphere provided four non-coplanar points on the surface of the sphere. pts = [x1 y1 z1; x...
7 years ago
Solved
Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...
7 years ago
Solved
Radiation Heat Transfer — View Factors (3)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...
7 years ago
Solved
Radiation Heat Transfer — View Factors (2)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...
7 years ago
Solved
Radiation Heat Transfer — View Factors (1)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...
7 years ago
Solved
Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...
7 years ago
Solved
Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...
7 years ago
Solved
Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...
7 years ago
Solved
Matrix to 3-Column Matrix
Consider a matrix *A* such as A = [1 2 3 3 4 5 6; 2 3 4 5 6 7 8]; Can you convert this matrix to a three-column ...
7 years ago
Solved
Find the Final State of an Abelian Sandpile
Let us define an <http://nautil.us/issue/23/dominoes/the-amazing-autotuning-sandpile Abelian sand pile> as a matrix that is only...
7 years ago
Solved
Cookie Cutters
Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the large...
7 years ago
Solved
Fill the Matrix - 2
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the me...
7 years ago
