photo

Xiaotao


Last seen: 5 jours il y a |  Actif depuis 2024

Followers: 0   Following: 0

Programming Languages:
Python, C++, C, C#, MATLAB
Spoken Languages:
English, Chinese, French, German
Pronouns:
He/him

Statistiques

All
  • Commenter
  • Promoter
  • First Answer
  • Community Group Solver
  • Leader
  • Solver

Afficher les badges

Feeds

Afficher par

A résolu


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...

20 jours il y a

A résolu


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to find the logical indices o...

20 jours il y a

A résolu


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

20 jours il y a

A résolu


Check if number exists in vector
Return 1 if number a exists in vector b otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,2,3]; Returns 1.

21 jours il y a

A résolu


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

21 jours il y a

A résolu


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

22 jours il y a

A résolu


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

22 jours il y a

A résolu


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

22 jours il y a

A résolu


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

22 jours il y a

A résolu


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as y = A.ⅇ^(-λt)*cos(2πft) where A, λ, and f are scalars and t is a vector. ...

27 jours il y a

A résolu


Find the Best Hotels
Given three input variables: hotels - a list of hotel names ratings - their ratings in a city cutoff - the rating at which yo...

27 jours il y a

A résolu


Force and Motion 2
Two robots are pulling on an object in opposite directions. One robot pulls with a force of F1 Newtons and the other with a forc...

28 jours il y a

A résolu


Laws of motion 6

28 jours il y a

Réponse apportée
Converting product into individual entries
a = [3*ones(1,4), 5, zeros(1,7), 11, 9*ones(1,3)]

29 jours il y a | 0

A résolu


Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not count...

environ un mois il y a

A résolu


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) ...

environ un mois il y a

A résolu


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...

environ un mois il y a

A résolu


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

environ un mois il y a

A résolu


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

environ un mois il y a

A résolu


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

environ un mois il y a

A résolu


MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

environ un mois il y a

A résolu


MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

environ un mois il y a

Réponse apportée
how print multiple values on screen in one line in matlab
The function you need is fprintf. An example, A = magic(3) B = magic(5); fprintf("%d, ", A, B)

9 mois il y a | 0

Réponse apportée
Trying to merge two tables, using time stamps as keys in outerjoin(), getting 'incorrect data type or missing argument' error.
valid = table([1;2;4],[55 50 52]', 'VariableNames',{'t_ms','val_dat'}); raw = table([1;2;3;4],[49 37 51 52]', 'VariableNames'...

9 mois il y a | 0

A résolu


Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If p is the perimeter of a right angle triangle with integral length sides, { a, b, c }, there are exactly three solutions for p...

9 mois il y a

A résolu


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

9 mois il y a

A résolu


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displayed ...

9 mois il y a

A résolu


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

10 mois il y a

A résolu


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 mois il y a

A résolu


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

10 mois il y a

Charger plus