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Diogo Carvalho


Last seen: 대략 2년 전 |  2019년부터 활동

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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 ...

2년 초과 전

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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...

2년 초과 전

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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...

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

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

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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?

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

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

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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...

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

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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...

2년 초과 전 | 답변 수: 2 | 0

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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...

거의 3년 전 | 답변 수: 0 | 0

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

대략 3년 전

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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 ...

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

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

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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 ...

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

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

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

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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...

3년 초과 전 | 답변 수: 1 | 0

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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...

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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...

3년 초과 전 | 답변 수: 2 | 0

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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...

거의 4년 전

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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...

거의 4년 전

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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...

거의 4년 전

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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...

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

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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 ...

거의 4년 전

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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...

거의 4년 전

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