Community Profile # ILDEBERTO DE LOS SANTOS RUIZ

### Tecnológico Nacional de México

Last seen: 10 days ago Active since 2019

Profesor en el TecNM, adscrito al Instituto Tecnológico de Tuxtla Gutiérrez.

#### Statistics

All
• • • • • • • • #### Content Feed

View by

Channel

Test
Canal de prueba

2 months ago

Channel

Monitor
Monitor

2 months ago

Channel

P+I Temperature Controller
Proportional + Integral Temperature Controller

2 months ago

Solving nonlinear equation involving sum
It will take you a long time to evaluate the sum from n = 0 to n = 10000. You can solve it in a short time considering only fro...

3 months ago | 0

How to solve 3 simultaneous algebraic equations with a equality constraint.
You only need to express in terms of and plot that relationship: syms x1 x2 x3 t x3 = solve(x1+x2+x3 == 420,x3) EQ1 = x1 ==...

3 months ago | 0

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

3 months ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 months ago

Solved

The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

3 months ago

Solved

Don't be mean. Be nice!
For this problem, you will be given a range of single digits R, and a separate number K. You job is to calculate the mean of al...

3 months ago

Solved

ZigZag matrix with reflected format
ZigZag MATRIX with REFLECTED format. We have only input x. We have to create a matrix in the following pattern. input n=5...

3 months ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 months ago

how can I plot a unit step function?
This is my proposal, I hope it helps you: u = @(t) double(t>=0); h = @(t) u(t-2)-u(t-4); fplot(h,[0,5])

3 months ago | 0

Submitted

Water Properties
Computes some physical properties of water dependent on temperature, from 1 to 99 celsius. Submitted

Moody chart
Plots the Moody chart. Submitted

Colebrook-White Equation
Computes the friction factor in pipes for given values of the Reynolds number (Re) and the relative roughness coefficient (epsil... Submitted

figure2pdf
FIGURE2PDF exports the current MATLAB figure to a PDF file. Submitted

getfigdata
GETFIGDATA extracts the xyz data from a FIG file. Solved

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

1 year ago

how to write a user defined function that calculates the maximum or minimum of a quadratic equation of the form
Try this: --------------------- f = @(x) x^2-5*x+6; initial = 0; fminsearch(f,initial) --------------------- To find a max...

2 years ago | 0

Why power function give a complex number result?
The "problem" appears when you raise the base (-x / x50) to power n. In IEEE floating-point computations: a ^ n = exp(n * log(...

2 years ago | 0

Haw can I calculate the difference between two points in a plot?
Try this: --------------------------------------- plot(...) [x,y] = ginput(2); % clic on each point dx = diff(x) dy = diff(...

2 years ago | 0

| accepted

Adding semicolon and comma and saving it into .txt file
Try this low-level code: ----------------------------------------- x = randi(9,[1,2*6001]); % ACTUAL DATA fileID = fopen('da...

2 years ago | 0

| accepted

Submitted

epanet_map
Draws an EPANET network in a new MATLAB figure using geographic axes and satellite maps. Submitted

Hurwitz Matrix
Computes the Hurwitz matrix for a given polynomial. The principal minors are also computed. Submitted

Steady-state (final) response of linear dynamic systems under constant input. Submitted

Trapezoidal
Simulation of linear dynamic systems using trapezoidal integration method with constant time step. Submitted

Jacobians
Linear approximation matrices of a non-linear dynamic model. Submitted

Equilibrium Point
Equilibrium point of a non-linear dynamic system.  