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Chi Zhang


Last seen: Today Active since 2017

PhD Candidate in Microwave Techniques

Programming Languages:
Python
Spoken Languages:
Mandarin

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  • Treasure Hunt Participant
  • Matrix Manipulation I Master
  • Community Group Solver
  • Introduction to MATLAB Master
  • CUP Challenge Master
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  • Indexing II Master
  • Indexing I Master
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Solved


The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

4 Tage ago

Solved


Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

mehr als ein Jahr ago

Solved


Guess
A random number between 1 and 10 is created for the variable y. Guess what its value is.

mehr als ein Jahr ago

Solved


Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

mehr als ein Jahr ago

Solved


Remove the Zero
Given an array n, remove all zeros

mehr als ein Jahr ago

Solved


Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

mehr als ein Jahr ago

Solved


Colon operator of two vectors
You are given two vectors of equal length: VecStart, VecEnd Each vector contain a set of integers, where VecEnd(j)>=VecStar...

mehr als ein Jahr ago

Solved


Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

mehr als ein Jahr ago

Solved


Product of elements in row
Product of matrix such that a=[3 3 1] b=9

mehr als ein Jahr ago

Solved


The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

mehr als ein Jahr ago

Solved


Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

mehr als ein Jahr ago

Solved


Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

mehr als ein Jahr ago

Solved


Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

mehr als ein Jahr ago

Solved


Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

mehr als ein Jahr ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

mehr als ein Jahr ago

Solved


Replace pattern 0 1 0 and 1 0 1
Find and replace a pattern in a row of zeroes and ones. * Find 1 0 1 and replace it with 1 1 1 * Find 0 1 0 and replace it w...

mehr als ein Jahr ago

Solved


Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

mehr als ein Jahr ago

Solved


Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

mehr als ein Jahr ago

Solved


Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

mehr als ein Jahr ago

Solved


Area of a disk
Find the area of a disk or circle. x= radius of the disk.

mehr als ein Jahr ago

Solved


Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

mehr als ein Jahr ago

Solved


Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

mehr als ein Jahr ago

Solved


Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

mehr als ein Jahr ago

Solved


Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

mehr als ein Jahr ago

Solved


Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

mehr als ein Jahr ago

Solved


Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

mehr als ein Jahr ago

Solved


Reverse a matrix
Its simple. You have to reverse a given matrix.

mehr als ein Jahr ago

Solved


Find out sum of all elements of given Matrix
Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

mehr als ein Jahr ago

Solved


surface of a spherical planet
you just discovered its circumference, that is the input.

mehr als ein Jahr ago

Solved


Determine the square root
Determine the square root of the value the user has entered, n.

mehr als ein Jahr ago

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