Eri Gualter dos Santos - MATLAB Central
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Eri Gualter dos Santos

MathWorks

Last seen: 5 dagen ago Active since 2022

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Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

3 maanden ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Input...

3 maanden ago

Solved


Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

7 maanden ago

Solved


Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

7 maanden ago

Solved


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

7 maanden ago

Solved


Column Removal (★★★)
(copy of prob 7) Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2...

ongeveer een jaar ago

Solved


remove every row&col for every nan
for a given matrix, remove the row and column of every nan. Example x=[1 2 NaN 4 5 6 7 8 ...

ongeveer een jaar ago

Solved


Remove all the columns contains only zero
Remove the column from the matrix which has only zeros . Refer the Example below a= 1 0 3 0 23 0 56 0 1 ...

ongeveer een jaar ago

Solved


row removal
Consider a matrix and remove the first row of the matrix.

ongeveer een jaar ago

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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...

ongeveer een jaar ago

Solved


Remove a specific column with min value
Remove the column that contain the min value in the matrix?

ongeveer een jaar ago

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Remove a specific column with max value
Remove the column that contain the max value in the matrix?

ongeveer een jaar ago

Solved


Remove a specific row with min value
Remove the row that contain the min value in the matrix?

ongeveer een jaar ago

Solved


Remove a specific row with max value
Remove the row that contain the max value in the matrix?

ongeveer een jaar ago

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Combined Ages 4 - Non-symmetric with multiples, n ≥ 3
This problem is slightly more difficult than <http://www.mathworks.com/matlabcentral/cody/problems/42383-combined-ages-3-non-sym...

meer dan een jaar ago

Solved


Combined Ages 3 - Non-symmetric, n ≥ 3
Pursuant to the previous two problems ( <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-...

meer dan een jaar ago

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Combined Ages 2 - Symmetric, n ≥ 3
Following on <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-3 Combined Ages 2>, you wil...

meer dan een jaar ago

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Combined Ages 1 - Symmetric, n = 3
You have probably seen the common riddle wherein combined ages are provided and you must determine the individual ages. For exam...

meer dan een jaar ago

Solved


Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

meer dan een jaar ago

Solved


Determine if input is a valid AHP evaluation matrix
Input is a matrix. Output is a true or false statement (1 or 0). Return true if input is a valid Analytic Hierarchy Process eval...

meer dan een jaar ago

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Projector Matrix
Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.

meer dan een jaar ago

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Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

meer dan een jaar ago

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Orthonormal matrix
You decide whether any given matrix is an orthonormal matrix or not. If each column in a matrix is perpendicular to the other...

meer dan een jaar ago

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Is this matrix orthogonal?
Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false

meer dan een jaar ago

Solved


Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

meer dan een jaar ago

Solved


Linear system of equations
Solve the system of equations in three variables.

meer dan een jaar ago

Solved


System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

meer dan een jaar ago

Solved


Find Logic 9
Guess the Logic! logic(1) = 4 logic(2) = 1 logic(3) = 10 logic(4) = 2

meer dan een jaar ago

Solved


Find Logic 19

meer dan een jaar ago

Solved


Find Logic 18

meer dan een jaar ago

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