Gelöst

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 ...

etwa 7 Jahre vor

Gelöst

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 ...

etwa 7 Jahre vor

Problem

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 ...

etwa 7 Jahre vor | 1 | 17 Lösungsvorschläge

Gelöst

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.

fast 8 Jahre vor

Gelöst

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...

fast 8 Jahre vor

Gelöst

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

fast 8 Jahre vor

Gelöst

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...

fast 8 Jahre vor

Gelöst

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...

fast 8 Jahre vor

Gelöst

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...

fast 8 Jahre vor

Gelöst

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

fast 8 Jahre vor

Gelöst

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...

fast 8 Jahre vor

Gelöst

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

fast 8 Jahre vor

Gesendet

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.

etwa 8 Jahre vor | 1 Download |

Frage

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...

etwa 8 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst

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

mehr als 8 Jahre vor

Gelöst

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

mehr als 8 Jahre vor

Frage

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...

mehr als 8 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
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>

mehr als 8 Jahre vor | 0

Beantwortet
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>

mehr als 8 Jahre vor | 0

Beantwortet
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>

mehr als 8 Jahre vor | 0

Gelöst

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...

mehr als 8 Jahre vor

Frage

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...

mehr als 8 Jahre vor | 1 Antwort | 1

1

Antwort

Gelöst

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 ...

fast 9 Jahre vor

Gelöst

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...

fast 9 Jahre vor

Problem

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...

fast 9 Jahre vor | 1 | 108 Lösungsvorschläge

Problem

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] ...

fast 9 Jahre vor | 2 | 70 Lösungsvorschläge

Frage

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...

fast 9 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst

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...

mehr als 9 Jahre vor

Gelöst

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

mehr als 9 Jahre vor

Gelöst

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...

mehr als 9 Jahre vor