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Peiyi Yao


Last seen: 29 days ago Active since 2015

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  • Introduction to MATLAB Master
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  • Cody Problems in Japanese Master
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Solved


Sum of digits of powers of 2
Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

29 days ago

Solved


System of Linear Equations

29 days ago

Solved


sign function

29 days ago

Solved


Summation of integers

29 days ago

Solved


imaginary

29 days ago

Solved


Real

29 days ago

Solved


area

29 days ago

Solved


Given a vector x, return vector y with all negative elements from the vector x.
Given a vector x, return vector y with all negative elements from the vector x if x has negative elements. Otherwise return 0. ...

29 days ago

Solved


Swap rows

29 days ago

Solved


F.R.I.E.N.D.S

29 days ago

Solved


easy problem
Find the last element of the array

29 days ago

Solved


Sum sum!!!
Sum the numbers from 1 to n

29 days ago

Solved


Vector indexing: lower than mean
Find all values in a vector lower than the mean of the vector

29 days ago

Solved


Draw a '0' in a one matrix!

3 months ago

Solved


calculate the length of matrix
input 1 array, calculate the length

3 months ago

Solved


Double all elements in the array
Duplicate all elements in the array

3 months ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

3 months ago

Solved


to the 2 all elements
to the 2 all elements

3 months ago

Solved


Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

3 months ago

Solved


Find the max element of the array
Find the max element of the array

3 months ago

Solved


Converts numbers into characters
Converts numbers into characters

3 months ago

Solved


Normalizing a vector

3 months ago

Solved


Digits Multiplication

4 months ago

Solved


Min-Max digit

4 months ago

Solved


triangle

6 months ago

Solved


Number Puzzle - 100

7 months ago

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