Wentao

MathWorks

Last seen: 17 dagen ago | Active since 2023

Followers: 0 Following: 0

Statistics

All

RANK
6.926
of 161.859

CONTRIBUTIONS
1 Problem
66 Solutions

SCORE
985

NUMBER OF BADGES
10

View badges

Feeds

Answered
filtfilt provides excessive transient
Hello, this issue has been answered by MathWorks Technical Support Department. Please refer to this link for detailed explainati...

4 maanden ago | 0

| accepted

Solved

Determine if input is greater than pi
Evaluate if given number is greater than pi. If greater, return true; else, return false.

bijna 2 jaar ago

Solved

A times B
A times B

bijna 2 jaar ago

Problem

A times B
A times B

bijna 2 jaar ago | 0 | 56 solvers

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...

bijna 2 jaar ago

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

bijna 2 jaar ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

bijna 2 jaar ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

bijna 2 jaar ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

bijna 2 jaar ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

bijna 2 jaar ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

bijna 2 jaar ago

Solved

Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

bijna 2 jaar ago

Solved

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

bijna 2 jaar ago

Solved

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,...

bijna 2 jaar ago

Solved

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 = ...

bijna 2 jaar ago

Solved

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]; ...

bijna 2 jaar ago

Solved

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]

bijna 2 jaar ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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 ...

bijna 2 jaar ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 2 jaar ago

Solved

Return area of square
Side of square=input=a Area=output=b

bijna 2 jaar ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

bijna 2 jaar ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

bijna 2 jaar ago

Solved

Add two numbers
Given a and b, return the sum a+b in c.

bijna 2 jaar ago

Solved

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

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

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...

bijna 2 jaar ago