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PJS KUMAR


Last seen: 3 years ago |  Active since 2018

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Example for diffusion equation used to reduce the noise in an image
In image processing, we know that the diffusion equation is used to reduce the noise in an image. Explain in detail with an exam...

3 years ago | 0 answers | 0

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Answered
selecting an element of a vector
How to select an element of a vector which is previous to the given value xp. Suppose we have a vector x=[1 1.05 1.1 1.1...

5 years ago | 0

Question


selecting an element of a vector
How to select an element of a vector which is nearest to the given value xp. Suppose we have a vector x=[1 1.05 1.1 1.15...

5 years ago | 2 answers | 0

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answers

Question


gauss forward interpolation method
I wrote the following code for gauss interpolation function [ yval ] = gauss_p( xd,yd,xp ) n=length(xd); if(length(yd...

5 years ago | 1 answer | 0

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answer

Question


Gauss forward interpolation formula
n = length(x) I created the difference table (tbl) using the following code. difference table is in attached file tbl...

5 years ago | 0 answers | 0

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Question


usage of cumprod function to write the code
To create a vector t, where t = [1 u/1! u(u-1)/2! u(u-1)(u-2)/3! ... (u(u-1)..(u-(n-2)))/(n-1)! I wrote the followi...

5 years ago | 1 answer | 0

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answer

Question


difference between anonymous function and symbolic function
I declared a function in the following two ways. I want to know the difference between two function declarations 1) syms x ...

5 years ago | 1 answer | 0

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answer

Question


Taylor Series expansion error
I have the following code for taylor series expansion. function [sol]=Taylor(fn,a,b,y0,h,nd) syms x y(x); ...

5 years ago | 1 answer | 0

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answer

Question


Modified Euler's method expansion
suggest me to modify the following Euler's method expansion code so as to avoid the calculation of k2 two times function []...

5 years ago | 0 answers | 0

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Answered
taylor series method expansion
function D = dy(x,y) f = x^2+y^2; df = 2*x+2*y*f; d2f = 2+2*(f^2+y*df); d3f = 2*(2*f*df+f*df+y*d2f); ...

5 years ago | 0

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Question


taylor series method expansion
I wrote the following code function yb=taylor(f,a,b,ya,n) syms x y; h=(b-a)/n; y(1)=ya; y(2)=f; ht=h.^(0:5)....

5 years ago | 2 answers | 0

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answers

Question


Euler method for ODE
I wrote the following code for Euler method function sol=Euler2(fn,a,b,y0,n) h=(b-a)/n; x=a:h:b; y(1)=y0; for k...

5 years ago | 1 answer | 0

1

answer

Answered
Taylor series method expansion
The above program is not working for the function f=x^2 + y^2 and giving error as >> f=@(x)x^2+y^2 f = function...

5 years ago | 0

Answered
Taylor series method expansion
I wrote the following code for tayler series expansion function yb=taylor(f,a,b,ya,n) syms x y; h=(b-a)/n; y(1)=ya...

5 years ago | 0

Question


taylor series expansion function call
I have the following code for taylor series method. function yval=taylor(f,x0,y0,xval) h=xval-x0; syms x y; y=zer...

5 years ago | 0 answers | 0

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Question


taylor series method expansion
I am using the following code for taylor series function [T,Y] = taylor(f,a,b,ya,m) h = (b - a)/m; T = zeros(1,m+1)...

5 years ago | 1 answer | 0

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Question


taylor series expansion process
help me in writing the code for the following series with the given input values, y',y0,a,b,n <</matlabcentral/answers/upload...

5 years ago | 0 answers | 0

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Question


differentiation for a function
y'=x-y^2 give me the function to get derivative as y'' =1-2*y*y'

5 years ago | 2 answers | 0

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Question


Taylor series method expansion
function sol=taylor1(fn,dfn,a,b,y0,n) h=(b-a)/n; x=a+(0:n)*h; y(1)=y0; for k=1:n y(k+1)=y(k)+h*feval(fn,x(k...

5 years ago | 2 answers | 0

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answers

Question


How to write a simple MATLAB code for simplification of if.. else.. code
My program has a vector x=(x1,x2,...xn) and I want to compare xp with the values of the vector x. I wrote the following code i...

5 years ago | 3 answers | 0

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answers

Question


Suppose I have a set of points xi = {x0,x1,x2,...xn} and corresponding function values fi = f(xi) = {f0,f1,f2,...,fn}, how to find derivative
Suppose I have a set of points xi = {x0,x1,x2,...xn} and corresponding function values fi = f(xi) = {f0,f1,f2,...,fn}, where f(x...

5 years ago | 1 answer | 0

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answer

Question


How to create a vector with a sequence 1, u, u(u-1), u(u-1)(u-2)....
How to create a vector with a sequence 1, u, u(u-1), u(u-1)(u-2)....

5 years ago | 2 answers | 0

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Question


Help with numerical differentiation using difference tables
For the following data x=[1:0.2:2.2] y=[2.7183 3.3201 4.0552 4.9532 6.0496 7.3891 9.0250] help me to write MATLAB cod...

5 years ago | 0 answers | 0

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matlab program for estimating the approximate derivative of f(x) at x=xi using difference tables
matlab program for estimating the approximate derivative of f(x) at x=xi using difference tables

5 years ago | 0 answers | 0

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Question


newton forward interpolation method by using less number of for loops
I wrote the following program for newton forward interpolation method. Can it be written with reduced code using single for loop...

5 years ago | 1 answer | 0

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Question


what is the MATLAB function to evaluate ncr value when n is real
what is the MATLAB function to evaluate ncr value when n is real

5 years ago | 1 answer | 0

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Question


Generating difference table for Newton interpolation method
I am using the following code to generate forward difference table. diff=yd'; for j=2:n for i=1:n-(j-1) diff(i...

5 years ago | 0 answers | 0

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program for lagranges interpolation method using single for loop
how to program for lagranges interpolation method using single for loop

5 years ago | 1 answer | 0

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Question


bisection method error while checking loop with f(p)
function p = bisection(f,a,b) if f(a)*f(b)>0 disp('Wrong choice bro') else p = (a + b)/2; err = ab...

5 years ago | 0 answers | 0

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