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Udit Srivastava


Last seen: nästan 4 år ago |  Active since 2016

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How to assign a matrix instead of scalar in another matrix at specified locations with or without kronecker product?
Hello all, I have a tri-diagonal matrix F (n-by-n) and a diagonal matrix G(n-by-n). Now, I want to construct a matrix A(n^2-b...

nästan 7 år ago | 1 answer | 0

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How to remove values from the top x-axis?
<</matlabcentral/answers/uploaded_files/80199/untitled23.jpg>> Hey all, Any idea about why am I getting values written on ...

nästan 7 år ago | 1 answer | 0

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Question


Why am I getting unexpectedly large numbers in calculations in MATLAB?
Hi all, I am trying to perform some operations using Bessel function and plot 'v' against 'r' (as defined in the adjacent ima...

nästan 7 år ago | 1 answer | 0

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Question


How to draw a cylinder in MATLAB pdetool?
Hello all, I am beginner in MATLAB and I want to solve 3D Heat equation in MATLAB pde toolbox for a cylindrical tube of unifo...

ungefär 7 år ago | 1 answer | 0

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How to choose the Starting points for Stream plots and what should be the size of this Starting points matrix?
Dear all, Can anyone please give me a clear explanation about *Starting Points* for *Stream Plots* in MATLAB since the MATLAB...

ungefär 7 år ago | 0 answers | 0

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Question


How to plot appropriate contour or quiver diagrams from given axisymmetric data?
I'm trying to solve axisymmetric incompressible Navier Stokes Equation in cylindrical coordinate system using Sullivan vortex mo...

mer än 7 år ago | 0 answers | 0

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answers

Question


how to convert u(r,z) (axisymmetric) data to u(x,y,z)??
I have an axisymmetric velocity vector field in cylindrical coordinate system (r,z), where r is the radius (sqrt(x^2+y^2)) and z...

mer än 7 år ago | 1 answer | 0

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Question


How to plot a 3 dimensional matrix against its last independent variables?
suppose that I have a variable 'u' which depends on 3 independent variables 'x', 'y' and 'z'. If i,j,k indicate x,y,z steps r...

mer än 7 år ago | 1 answer | 0

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Question


How to plot a Tornado?
<</matlabcentral/answers/uploaded_files/67390/Untitled.png>> What command shall I use to plot velocity vectors for a tornado ...

mer än 7 år ago | 1 answer | 0

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Question


How to plot pressure contour?
Hey guys, I have got pressure (p) as a dependent variable which depends on 'r', 'z' & 't'. I am using the following code for...

mer än 7 år ago | 0 answers | 0

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Question


How to perform indefinite integration of this function?
<</matlabcentral/answers/uploaded_files/65739/Untitled45.png>> Hey guys, I need to perform the following operations as shown ...

mer än 7 år ago | 0 answers | 0

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answers

Question


How to define an array with fractional index number in MATLAB?
How to define an array with fractional index number in MATLAB?

mer än 7 år ago | 2 answers | 0

2

answers

Question


searching for a better approach for solving a 3-D matrix
Hey guys, I need to solve the following equation. u(i,j,k+1)=(2*dt/3).*(u(i,j,k).*(u(i+1,j,k)-u(i-1,j,k))./(2*dr)+u(i,j,...

mer än 7 år ago | 1 answer | 0

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