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Pramit Biswas


Indian Institute of Technology (IIT), Patna

75 total contributions since 2013

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Submitted


sortBlikeA(A,B)
sort array B, as the array A is sorted

17 days ago | 5 downloads |

Answered
sorting according to another vector
function B = sortBlikeA(A,B) [~, Ao] = sort(A); Bs=sort(B); B(Ao)=Bs; end

23 days ago | 0

Question


histcounts error in place of histc
Links: <https://in.mathworks.com/help/matlab/ref/histc.html histc>, <https://in.mathworks.com/help/matlab/ref/histcounts.html hi...

1 month ago | 3 answers | 1

3

answers

Question


sum of array in structure.
uC = zeros(1,length(X)); for loop1 = 1:length(X) uC(loop1) = sum(X(loop1).Y); end Any other/proper/quick wa...

1 month ago | 1 answer | 0

1

answer

Solved


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 ...

2 months ago

Solved


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 ...

2 months ago

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 ...

2 months ago | 0

Solved


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.

10 months ago

Solved


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...

10 months ago

Solved


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

11 months ago

Solved


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...

11 months ago

Solved


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...

11 months ago

Solved


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...

11 months ago

Solved


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

11 months ago

Solved


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...

11 months ago

Solved


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

11 months ago

Submitted


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.

1 year ago | 0 downloads |

Question


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...

1 year ago | 1 answer | 0

1

answer

Solved


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

1 year ago

Solved


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

1 year ago

Question


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...

1 year ago | 1 answer | 0

1

answer

Submitted


Particle Swarm Optimization (PSO)
Searching/Tuning/Optimizing by Particle Swarm Optimization (PSO) method

1 year ago | 109 downloads |

Thumbnail

Answered
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>

1 year ago | 0

Answered
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>

1 year ago | 0

Answered
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>

1 year ago | 0

Solved


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...

1 year ago

Question


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...

2 years ago | 1 answer | 1

1

answer

Solved


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 ...

2 years ago

Solved


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...

2 years ago

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...

2 years ago | 0

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