辉

Last seen: 3 månader ago | Active since 2025

Followers: 0 Following: 0

Statistics

RANK
18 870
of 160 571

CONTRIBUTIONS
0 Problems
26 Solutions

SCORE
270

NUMBER OF BADGES
1

View badges

Feeds

Solved

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...

3 månader ago

Solved

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

3 månader ago

Solved

MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

3 månader ago

Solved

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

3 månader ago

Solved

Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

3 månader ago

Solved

Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

3 månader ago

Solved

Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

3 månader ago

Solved

radius of a spherical planet
You just measured its surface area, that is the input.

3 månader ago

Solved

Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

3 månader ago

Solved

Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

3 månader ago

Solved

Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

3 månader ago

Solved

Convert radians to degrees
Given input in radians, output to degrees

3 månader ago

Solved

Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

3 månader ago

Solved

Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

3 månader ago

Solved

Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

3 månader ago

Solved

Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

3 månader ago

Solved

Adding Cells with numbers defined as strings
Given a cell, with strings representing numbers, add each value. For example: a = {'9','33'}; the output should be: ...

3 månader ago

Solved

Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

3 månader ago

Solved

Concatenate strings
concatenate a variable number of input strings to produce one outputstring

3 månader ago

Solved

Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

3 månader ago

Solved

Spherical Volume
Calculate the volume of a sphere.

3 månader ago

Solved

Compute the harmonic numbers
The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

3 månader ago

Solved

Generate a list of composite numbers

3 månader ago

Solved

Sum of series VIII

3 månader ago

Solved

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

3 månader ago

Solved

Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

3 månader ago