解決済み

Solve the following system of equations.
x-2y+3z=a 2x+y+z=4 -3x+2y-2z=-10

約8年前

解決済み

Calculate the eigenvalues of A.
Calculate the sum of the eigenvalues of A. If it's odd return cubed else return 54.

約8年前

解決済み

Multiply two polynomials p and q given in in vector representation.
Multiply two polynomials p and q given in vector representation. Example p=[-2 0 1 -1 3 2] q=[1 0 -1 2 ...

約8年前

解決済み

Calculate the values of a polynomial.
Calculate the values of a polynomial.Input parameter p - vector of polynomial coefficients, x - matrix of the argument values. ...

約8年前

解決済み

Calculate roots of polynomial given as vector array.
Calculate roots of polynomial given as vector array. Example x=[1 2 0 5 0 3] result=[-2.7267 ; ...

約8年前

解決済み

Find x in provided equation!
x^2-2*x+1=0 This polynomial can be expressed by using each term's coefficients, such as [1 -2 1]. Using the polynomial ...

約8年前

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Divide polynomial p1 by p2.
Divide polynomial p1 by p2 given as vectors. Return result q and r vectors which corresponds the quotient and remainder of divis...

約8年前

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Solve the system of equations.
_Ax=b_ * _A_ - square coefficient matrix * _b_ - right side column vector Find vecor _x_.

約8年前

解決済み

Get derivarive of polynomial given as vector array.
Get derivarive of polynomial given as vector array. Example p=[ 1 2 0 5 0 3 ]; result=[ 5 8 0 10 ...

約8年前

解決済み

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

約8年前

解決済み

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 ...

約8年前

解決済み

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

約8年前

解決済み

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 ...

約8年前

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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...

約8年前

解決済み

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

約8年前

解決済み

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.

約8年前

解決済み

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...

約8年前

解決済み

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

約8年前

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

約8年前

解決済み

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...

約8年前

解決済み

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 ...

約8年前

解決済み

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) ...

約8年前

解決済み

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...

約8年前

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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...

約8年前

解決済み

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...

約8年前

解決済み

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...

約8年前

解決済み

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 ...

約8年前

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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...

約8年前

解決済み

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 ...

約8年前

解決済み

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...

約8年前