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Diogo Carvalho


Last seen: 3 dagar ago Active since 2019

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Double Factorial
Return double factorial n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 ...

ungefär en månad ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ungefär en månad ago

Solved


letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

ungefär en månad ago

Solved


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

ungefär 2 månader ago

Solved


Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

ungefär 2 månader ago

Solved


Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

ungefär 2 månader ago

Solved


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

ungefär 2 månader ago

Solved


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

ungefär 2 månader ago

Solved


Stress-Strain Properties - 3
A brittle material will not exhibit a yield point. In other words, the yield point and failure point coincide. In such cases, th...

ungefär 2 månader ago

Solved


Stress-Strain Properties - 1
This is the first in a series of problems regarding mechanics of materials, in particular, material properties drawn from stress...

ungefär 2 månader ago

Question


Create a surface from several 1D plots
I have fitted several groups of scattered points (x,z) into 1D plots which vary on a third variable y. I now want to connect the...

3 månader ago | 2 answers | 0

2

answers

Question


Error when running function "Attempt to execute SCRIPT support as a function: D:\MATLAB\toolbox\matlab\helptools\support.m"
I'm trying to run a function with inputs and I get this error. I've read the support thread found in: https://www.mathworks.co...

7 månader ago | 0 answers | 0

0

answers

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

10 månader ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

10 månader ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

10 månader ago

Solved


Inner product of two vectors
Find the inner product of two vectors.

10 månader 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 ...

10 månader ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

10 månader ago

Solved


Find max
Find the maximum value of a given vector or matrix.

10 månader ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

10 månader ago

Question


How to restart a function if it takes too long to run?
Hello! I created a time stepping function to solve differential dynamic equations. Within this function I have a while loop that...

ungefär ett år ago | 1 answer | 0

1

answer

Answered
How to retrieve outputs from an .m file into my GUI?
I figured it out. Apparently, the input variables that went into the function still weren't considered as such. Thus, the functi...

ungefär ett år ago | 0

| accepted

Question


How to retrieve outputs from an .m file into my GUI?
I'm building a GUI using guide in which I want to use a drop down menu to perform a series of procedures. Those are as follows...

mer än ett år ago | 2 answers | 0

2

answers

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

mer än ett år ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

mer än ett år ago

Solved


Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

mer än ett år ago

Solved


Check to see if a Sudoku Puzzle is Solved
*Description:* Your task, should you choose to accept it, is to make a function that checks to see if a 9x9 matrix of integer...

mer än ett år ago

Solved


Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

mer än ett år ago

Solved


Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...

mer än ett år ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

mer än ett år ago

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