Community Profile

photo

Doddy Kastanya


Last seen: 20 dagar ago Active since 2017

I love math and physics. Being a nuclear engineer keeps this alive.

Statistics

All
  • MATLAB Central Treasure Hunt Finisher
  • Knowledgeable Level 2
  • Revival Level 1
  • Famous
  • Project Euler I
  • Leader
  • Curator
  • Cody Problems in Japanese Master
  • First Answer
  • Puzzler
  • Draw Letters
  • Introduction to MATLAB Master

View badges

Content Feed

View by

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

2 månader ago

Solved


Rotate counterclockwise a matrix 90 deg with left-bottom element
Example: Input [ 1 2 3 4 5 6 ] Output [ 3 6 2 5 1 4 ]

7 månader ago

Solved


Easy Sequences 2: Trigonometric function with integral input and output
The function 'F', defined as: , will always return an integer if the input is a natural number (in radian...

8 månader ago

Solved


letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

ungefär ett år ago

Solved


the fly, the train, the second train, and their Zeno's paradox
*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

ungefär ett år ago

Answered
Filling missing points in a grid
You could try to add the following at the end of your code: hold on text(7,8,'X','color','r') If there are other points, then...

ungefär ett år ago | 0

| accepted

Answered
Need Help Coding a Gaussian Problem
You might not be using the correct data for this. For example, in your implementation x_i and x_j are simply numbers. Shouldn't ...

ungefär ett år ago | 0

Answered
How can I find the median of each row in a matrix?
Try this (assuming that your matrix is called A): for i=1:150 x=sort(A(i,:)); median_value(i)=0.5*(x(2)+x(3)); end You will...

ungefär ett år ago | 0

Solved


Calculate Engine Power
Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

ungefär ett år ago

Solved


Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

ungefär ett år ago

Solved


An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

ungefär ett år ago

Solved


Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

ungefär ett år ago

Solved


determine the sum of the squares
if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.

ungefär ett år ago

Solved


sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

ungefär ett år ago

Solved


Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

ungefär ett år ago

Solved


Tridiagonal matrix
Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

ungefär ett år ago

Solved


Number Puzzle - 119

ungefär ett år ago

Problem


Number Puzzle - 119

ungefär ett år ago | 1 | 11 solvers

Solved


Number Puzzle - 118

ungefär ett år ago

Problem


Number Puzzle - 118

ungefär ett år ago | 1 | 11 solvers

Solved


Draw a '4' in a zero matrix!

ungefär ett år ago

Solved


Draw a '6' in a zero matrix!

ungefär ett år ago

Solved


Draw a '9' in a zero matrix!

ungefär ett år ago

Solved


Draw a '7' in a zero matrix!

ungefär ett år ago

Solved


Draw a '8' in a zero matrix!

ungefär ett år ago

Solved


Draw a '5' in a zero matrix!

ungefär ett år ago

Solved


Draw a '3' in a zero matrix!

ungefär ett år ago

Solved


Draw a '1' in a zero matrix!

ungefär ett år ago

Solved


Sum of series VIII

ungefär ett år ago

Load more