Sergey Kasyanov
Saints Petersburg Politechnical University
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Estadística
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of 295.495
REPUTACIÓN
76
CONTRIBUCIONES
15 Preguntas
42 Respuestas
ACEPTACIÓN DE RESPUESTAS
73.33%
VOTOS RECIBIDOS
8
CLASIFICACIÓN
13.095 of 20.240
REPUTACIÓN
23
EVALUACIÓN MEDIA
0.00
CONTRIBUCIONES
1 Archivo
DESCARGAS
3
ALL TIME DESCARGAS
115
CLASIFICACIÓN
1.334
of 153.991
CONTRIBUCIONES
0 Problemas
140 Soluciones
PUNTUACIÓN
1.726
NÚMERO DE INSIGNIAS
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MEDIA DE ME GUSTA
10 of your answers have been accepted
Awarded to Sergey Kasyanov on 15 Feb 2022
Accept 5 answers given by other contributors
Awarded to Sergey Kasyanov on 16 Oct 2019
Solve a community group
Awarded to Sergey Kasyanov on 22 Nov 2020
Comment on a problem or solution
Awarded to Sergey Kasyanov on 11 Apr 2018
Publish your first review
Awarded to Sergey Kasyanov on 09 Oct 2019
Have 1 submission connected to GitHub
Awarded to Sergey Kasyanov on 09 Oct 2019
Publish your first submission
Awarded to Sergey Kasyanov on 09 Oct 2019
Contribute at least one answer each month for 3 consecutive months
Awarded to Sergey Kasyanov on 02 May 2018
Solve all the problems in Matrix Manipulation I
Awarded to Sergey Kasyanov on 10 Apr 2018
3 of your answers have been accepted
Awarded to Sergey Kasyanov on 06 Apr 2018
Provide your first answer ever to someone else's question
Awarded to Sergey Kasyanov on 20 Jul 2017
Be the first to solve a problem
Awarded to Sergey Kasyanov on 24 Apr 2017
Feeds
how to get the state-space representation from the SimMechanic model?
Hello! Try to use linmode.
alrededor de 2 años hace | 0
Optimisation problem in matlab
Hello! Try that: % tune only next 2 lines L = 5;% steps in ladder Z_max = 1e2;% max Z for one R or Xl % goal Z(w) % w0 -...
más de 3 años hace | 0
Detecting missing data, tangent = 0, for given data.
Hello! The approach is very simple: get array with 1 when Y = 0 and 0 otherwise, then detect when 0 changes to 1 and 1 changes ...
más de 3 años hace | 0
plot arc that pass through a particular point
Hello! The simplest way is: figure; hold on; for i = 1 : size(XX,2) [~, n] = max(XX(:,i)); plot3(XX(:,i), YY(:,i) -...
más de 3 años hace | 1
| aceptada
How to get the function after solving the differential equation using Eulers method?
Hello! A = [1, -1 -1, 1]; x0 = [1 2]; dx = [0 0]; time_step = 0.1; time = 0 : time_step : 10; x = [x0,...
más de 3 años hace | 0
| aceptada
Pregunta
Symbolic matrices multipleid incorrectly
Hello! I have matrix equation: When I try to find X I get incorrect result: Check does not pass: I attach a .mat fil...
más de 3 años hace | 1 respuesta | 0
1
respuestaReplacing matrix n column values
Hello, There are some no pretty but working solutions, n = [70, 80]; %A is MyMatrix %1 A(A(:).' < 0 &... (1:numel(A)) ...
más de 3 años hace | 0
How to get the symbolic determinant of a big matrix 13x13 size
Hello! Try to use my function GaussElimination: detM = prod(diag(GaussElimination(M, ''))); I test it. It works but I'm not s...
más de 3 años hace | 0
| aceptada
Enviada
GaussElimination
Function to symbolic (for numerical too but very slow) parallel gaussian elimination for matrix.
más de 3 años hace | 3 descargas |
how to generate permutations of N numbers in K positions
Hello! Use nchoosek function with combination of perms function. That solution is slow but does not require any side files. re...
más de 3 años hace | 0
I want the right coding for ploting a horizontal line with sin wave
Hello! hold on plot([x1,x2], [y,y]) Line starts in [x1, y] point and ends in [x2, y] point.
más de 3 años hace | 0
why do i receive this error
Hello! You don't define f in fn function. Are you want to return f = [fy, fy2]? In that case: function f = fn( x , yic ) dy ...
más de 3 años hace | 1
If condition is met, find next instance of a certain value.
Hello, If you have array with values that you need to find you can use that code: values_to_find = [226 226 225 221 226 226 2 ...
más de 3 años hace | 0
Can anyone help me solve this problem using Newton's Method?
Hello, try that i = 1; V0 = [1;0];%[x0;y0] V = V0 + 1; while max(abs(V0 - V)) > 1e-10 && i < 1e2 V = V0; J = [3*...
más de 3 años hace | 0
Double checking a for loop
Hello, sum(temp/intchl) -> sum(temp)/intchl means that you divide sum of all values by sum of mean values. Lets write it in det...
más de 3 años hace | 0
How to index for saving an output of a for loop for each loop?
Hello, try that I = 0.1:0.1:0.7; Saved = zeros(4,length(I)); for i = 1:length(I) 'Calculating somestuff here' 'Use...
más de 3 años hace | 0
| aceptada
Signal generator from .m file to simulink
Hello, you can use From Workspace block with [t', q_di'] as Data parameter.
más de 3 años hace | 0
| aceptada
Pregunta
subsref works as not expected
Hello! Let's create random cell array. test = {1,2,3,4}; And try to evaluate simple code res_1 = ones(subsref(test, substruc...
casi 4 años hace | 1 respuesta | 0
1
respuestaResuelto
Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle
alrededor de 4 años hace
Resuelto
Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>
alrededor de 4 años hace
Resuelto
Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...
alrededor de 4 años hace
Resuelto
How to add?
* Imagine you are in 2222 Anno Domini, when everyone must learn how to add, * and competing for the highly prestigious post of,...
alrededor de 4 años hace
Resuelto
Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...
alrededor de 4 años hace
Resuelto
Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...
alrededor de 4 años hace
Resuelto
Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000
alrededor de 4 años hace
Resuelto
Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346
alrededor de 4 años hace
Resuelto
Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...
alrededor de 4 años hace
Resuelto
MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9
alrededor de 4 años hace
Resuelto
MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8
alrededor de 4 años hace
Resuelto
MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9
alrededor de 4 años hace
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