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Tejas Adsul


13 total contributions since 2018

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Question


Solve 1D Wave Equation (Hyperbolic PDE)
I have the following equation: <</matlabcentral/answers/uploaded_files/137155/eq.png>> where f = 2q, q is a function of bo...

2 days ago | 0 answers | 0

0

answers

Question


ODE45 initial conditions are y'(0) = 0, y'(inf) = 1
I have a third order differential equation and I have followed the steps given <https://in.mathworks.com/help/symbolic/solve-dif...

2 months ago | 0 answers | 0

0

answers

Question


Best way to represent given data (opinion)
I have four column vectors representing forces: P(pressure), B(bending), T(tension), I(interaction). Each row of these vectors r...

2 months ago | 0 answers | 0

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answers

Question


Using 'subs' in parallel for more than one equation
I have 5 equations in an array: E = [E1;E2;E3;E4;E5]. Each equation is made of symbolic variables x1,y1. I now want to substitut...

4 months ago | 1 answer | 0

1

answer

Answered
odeFunction: List variables through loop
I found out a way. The reason I kept getting invalid variable '0' error was my equations had variables dependent on t (x1(t), x2...

4 months ago | 0

Question


odeFunction: List variables through loop
I have some differential equations that I'm solving using the odeFunction. I am following the steps as described in the document...

4 months ago | 3 answers | 0

3

answers

Question


How to define a variable which won't clear when 'clear' command is used
I have 5 different scripts, running one after the other, each of which uses some of the variable values from the previous one. T...

4 months ago | 1 answer | 0

1

answer

Question


Using inv(A)*B instead of A\B
I am trying to solve some differential equations numerically. I followed the steps in this documentation ' <https://www.mathw...

5 months ago | 1 answer | 0

1

answer

Question


Error in sym: Character vectors and strings in the first argument can only specify a variable or number.
So I have this simple code x = sym('x',[5,1]); T1 = sprintfc('x%d(t)', 1:5); T1=T1'; syms(T1{:}); eqn = x(1)^2 + x(2) +...

5 months ago | 1 answer | 0

1

answer

Question


Repeat an iteration after verifying an if statement
I have a while loop with 'i' going from 1 to 50. Inside the while loop, I have an if condition, which if it is true, should reru...

5 months ago | 0 answers | 0

0

answers

Question


Transferring a symbolic expression to a odefun
By some code, I have these 6 ODEs in the command window. dEm_dx= 2*x3 - 2*x2 - x4 - y3/2 + 1/4 2*x2 - 2*x3 + 2*x4 + y2/2...

5 months ago | 1 answer | 0

1

answer

Question


Creating multiple symbolic functions with arguments
I can use x = sym('x',[n,1]); y = sym('y',[n,1]); to create symbolic variables of length 'n'. I would like to crea...

5 months ago | 1 answer | 0

1

answer

Question


Help solving a system of differential equations
I have the following system of differential equations, and I am not able to understand the best way to go about them. I tried us...

5 months ago | 2 answers | 0

2

answers