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Doddy Kastanya


Last seen: 3 jours ago Active since 2017

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

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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...

5 mois 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 ]

10 mois 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...

11 mois 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...

plus d'un an 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_...

plus d'un an 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...

plus d'un an 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 ...

plus d'un an 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...

plus d'un an 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

plus d'un an 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...

plus d'un an ago

Solved


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

plus d'un an 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...

plus d'un an 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.

plus d'un an ago

Solved


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

plus d'un an 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

plus d'un an 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...

plus d'un an ago

Solved


Number Puzzle - 119

plus d'un an ago

Problem


Number Puzzle - 119

plus d'un an ago | 1 | 13 solvers

Solved


Number Puzzle - 118

plus d'un an ago

Problem


Number Puzzle - 118

plus d'un an ago | 1 | 12 solvers

Solved


Draw a '4' in a zero matrix!

plus d'un an ago

Solved


Draw a '6' in a zero matrix!

plus d'un an ago

Solved


Draw a '9' in a zero matrix!

plus d'un an ago

Solved


Draw a '7' in a zero matrix!

plus d'un an ago

Solved


Draw a '8' in a zero matrix!

plus d'un an ago

Solved


Draw a '5' in a zero matrix!

plus d'un an ago

Solved


Draw a '3' in a zero matrix!

plus d'un an ago

Solved


Draw a '1' in a zero matrix!

plus d'un an ago

Solved


Sum of series VIII

plus d'un an ago

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