A résolu


Find scalar product of two polynomials a and b, given as vector array.
Find scalar product of two polynomials given as vector array. Example a=[1 -1 2]; b=[2 4 1]; result=0

plus de 9 ans il y a

A résolu


Create square matrix from submatrices.
Create square matrix from 4 submatrices, where n-size of submatrices, x1,x2,x3,x4 given values, first submatrix has x1 value on ...

plus de 9 ans il y a

A résolu


My cat likes strings!!
Create a string of specified length or more. It's that simple!

plus de 9 ans il y a

A résolu


For given vectors x,y find coresponding spline coefficients.
For given vectors x,y find coresponding spline coefficients. Example x =[ -3 -2 0 2 3] y =[ 0 0 1 ...

plus de 9 ans il y a

A résolu


Calculate the centroid of a triangle
Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

plus de 9 ans il y a

A résolu


Rearrange string
Input is a given string. Output is the number of ways to rearrange the string.

plus de 9 ans il y a

A résolu


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.

plus de 9 ans il y a

A résolu


Calculate solution of given polynomial
For example, y=function([3 -2 -4]) In here, input vector indicate 3*x^2-2*x-4, y is solution of former equation. y=[1.5...

plus de 9 ans il y a

A résolu


how to create zero square matrix with given order?
y-Zero square matrix with given input order x.

plus de 9 ans il y a

A résolu


Angle bisectors
Given 2 direction vectors, calculate the *_two_ (2) normalized angle bisectors* (which are perpendicular between them). Input...

plus de 9 ans il y a

A résolu


How to permute given 3d matrix?
A(:,:,1)=[1 3] A(:,:,2)=[2 2] A(:,:,3)=[4 3] Change rows to columns and columns to rows, similar to transpose. Resul...

plus de 9 ans il y a

A résolu


Find product of eigenvalues of n*n magic matrix.
Find product of eigenvalues of n*n magic matrix. Example n=3 Matrix= [ 8 1 6; 3 5 7; 4 ...

plus de 9 ans il y a

A résolu


Reduce the logic
We have three logical input, x,y and z. The output is: y = ((x&y)|z)&((z|x&y)|(z&y|x))|((x&z)|z)&((y|x&z)|(z&x|y))|(x|y|z) ...

plus de 9 ans il y a

Réponse apportée
Matrix multiplication with logical values error
For logical matrices matrix multiplication doesn't apply (because it is not logical operation). To get your Dyadic product, cas...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
How do i fill a matrix from smaller matrices?
It seems from you code that your blocks are stored in a cell array of size 32x32 called |dcts|. If it is so, and each block is 8...

plus de 9 ans il y a | 0

A résolu


Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

plus de 9 ans il y a

A résolu


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

plus de 9 ans il y a

A résolu


Return a list sorted by number of consecutive occurrences
Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE...

plus de 9 ans il y a

A résolu


Joining Ranges
You are given a n-by-2 matrix. Each row represents a numeric range, e.g. x = [0 5; 10 3; 20 15; 16 19; 25 25] contains...

plus de 9 ans il y a

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 ...

plus de 9 ans il y a

A résolu


Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

plus de 9 ans il y a

A résolu


Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

plus de 9 ans il y a

A résolu


Put two time series onto the same time basis
Use interpolation to align two time series onto the same time vector. This is a problem that comes up in <http://www.mathwork...

plus de 9 ans il y a

A résolu


intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

plus de 9 ans il y a

A résolu


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

plus de 9 ans il y a

A résolu


Remove the two elements next to NaN value
The aim is to *remove the two elements next to NaN values* inside a vector. For example: x = [6 10 5 8 9 NaN 23 9 7 3 21 ...

plus de 9 ans il y a

A résolu


Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

plus de 9 ans il y a

A résolu


First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

plus de 9 ans il y a

A résolu


middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

plus de 9 ans il y a

A résolu


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

plus de 9 ans il y a

Charger plus