Resuelto

Replace secondary diagonal elements of a square array
Replace all the secondary diagonal elements of the square array A with the number n Example: A = [1 2 3 4 5 6 ...

casi 8 años hace

Resuelto

Sum of combinations
Input: *X = 40*, *Y = [40 20 10 4]* Output: *Z = [1 0 0 0; 0 2 0 0; 0 1 2 0; 0 1 1 3; 0 1 0 5; 0 0 4 0; 0 0 3 3; 0 0 2 5; 0 ...

casi 8 años hace

Problema

Sum of combinations
Input: *X = 40*, *Y = [40 20 10 4]* Output: *Z = [1 0 0 0; 0 2 0 0; 0 1 2 0; 0 1 1 3; 0 1 0 5; 0 0 4 0; 0 0 3 3; 0 0 2 5; 0 ...

casi 8 años hace | 1 | 17 solvers

Resuelto

Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

más de 8 años hace

Resuelto

number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...

más de 8 años hace

Resuelto

Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

más de 8 años hace

Resuelto

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

más de 8 años hace

Resuelto

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

más de 8 años hace

Resuelto

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

más de 8 años hace

Resuelto

Determinants
Given a square matrix(A), find the determinant(d). For example: A = [1,3;4,5] d = 1*5-4*3 = -7

más de 8 años hace

Resuelto

Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

más de 8 años hace

Resuelto

Is matlab fun?
Returns 'yes' no matter the input.

más de 8 años hace

Enviada

Represented a positive integer number as a sum of multiple positive integer numbers.
A positive integer number N is represented as a sum of K positive integer numbers.

casi 9 años hace | 1 descarga |

5.0 / 5

Pregunta

Which method is faster?
1) a(1,2).last_index=a(1,2).last_index+1; a(1,2).multiple_vars(a(1,2).last_index) = value1; 2) a(1,2).multiple_v...

casi 9 años hace | 1 respuesta | 0

1

respuesta

Resuelto

create a square matrix
create a [n*n] matrix. example: mat(4)= [ 1 4 9 16 4 4 9 16 9 9 ...

casi 9 años hace

Resuelto

Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

alrededor de 9 años hace

Pregunta

How to draw special figures like this:
<<http://www.teach-ict.com/gcse_computing/ocr/213_software/utilities/miniweb/images/harddisk.jpg>> Suppose i have 3(N) boolea...

alrededor de 9 años hace | 1 respuesta | 0

1

respuesta

Respondida
Can anyone help me with the PID tuning using #Particle Swarm Optomization for Load Frequency Control of 3 area system??
start with <http://www.mathworks.com/matlabcentral/fileexchange/43541-particle-swarm-optimization--pso- THIS>

más de 9 años hace | 0

Respondida
I am in the need of your help regarding implementation of PSO MATLAB code for a two area interconnected power system for LOAD FREQUENCY CONTROL.
start with <http://www.mathworks.com/matlabcentral/fileexchange/43541-particle-swarm-optimization--pso- THIS>

más de 9 años hace | 0

Respondida
I am working on control of nonlinear inverted pendulum using PID and LQR.Now i want to apply PSO on PID .How PSO toolbox can use in this problem or if anybody have coding please answer
start with <http://www.mathworks.com/matlabcentral/fileexchange/43541-particle-swarm-optimization--pso- here>

más de 9 años hace | 0

Resuelto

Replace values out of an interval with the lower or upper values
For a vector or matrix X and an interval [n1,n2], the function replace every element of x inferior to n1 by n1, and every elemen...

más de 9 años hace

Pregunta

strfind first occurrence.
http://in.mathworks.com/help/matlab/ref/strfind.html#btvz00e-2_1 str = 'Find the starting indices of a pattern in a character...

más de 9 años hace | 1 respuesta | 1

1

respuesta

Resuelto

Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...

más de 9 años hace

Resuelto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

más de 9 años hace

Problema

generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

más de 9 años hace | 1 | 112 solvers

Problema

Detect pair of equal values in a Matrix
A 2D matrix of 2 rows and N columns with random integer numbers. A = [3 1 2 4 6 6 7; 7 3 2 1 5 2 4] ...

más de 9 años hace | 2 | 71 solvers

Pregunta

How many times this for loop will execute
count =0; for i=1:5 count = count +1; if true i=i+1; end end I want to skip som...

más de 9 años hace | 1 respuesta | 0

1

respuesta

Resuelto

Eliminate Outliers Using Interquartile Range
Given a vector with your "data" find the outliers and remove them. To determine whether data contains an outlier: # Identi...

alrededor de 10 años hace

Resuelto

Give prime Numbers upto n
You are given a input number x; print all the prime numbers less than equal to x.

más de 10 años hace

Resuelto

Repeat string n times - 2
This is the two variable version of <http://www.mathworks.com/matlabcentral/cody/problems/42482-repeat-string-n-times Repeat str...

más de 10 años hace