Doddy Kastanya

Last seen: 5 månader ago | Active since 2017

Followers: 0 Following: 0

Message

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

Statistics

All

View badges

Feeds

Solved

Calculate Wind Chill Factor
The NWS Wind Chill Temperature (WCT) index formula for calculating the dangers from winter winds and freezing temperatures: Cal...

9 månader ago

Solved

Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

mer än ett år ago

Solved

Triangle Coordinates
Given a natural number n, return two -element vectors, x and y, containing the coordinates of a triangular arrangement of points...

mer än ett år ago

Solved

Predict Cricket Stridulation Rate from Air Temperature
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

mer än ett år ago

Solved

Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

mer än ett år ago

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...

nästan 2 år 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 ]

mer än 2 år 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...

mer än 2 år 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...

nästan 3 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_...

nästan 3 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...

nästan 3 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 ...

nästan 3 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...

nästan 3 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

nästan 3 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...

nästan 3 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...

nästan 3 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...

nästan 3 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.

nästan 3 år ago

Solved

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

nästan 3 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

nästan 3 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...

nästan 3 år ago

Solved

Number Puzzle - 119

nästan 3 år ago

Problem

Number Puzzle - 119

nästan 3 år ago | 1 | 16 solvers

Solved

Number Puzzle - 118

nästan 3 år ago

Problem

Number Puzzle - 118