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Udit Srivastava


Last seen: nästan 5 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...

mer än 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 ...

mer än 7 år ago | 1 answer | 0

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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...

mer än 7 år ago | 1 answer | 0

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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 8 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 8 år ago | 0 answers | 0

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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...

ungefär 8 år ago | 0 answers | 0

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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...

ungefär 8 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...

ungefär 8 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 ...

ungefär 8 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...

ungefär 8 år ago | 0 answers | 0

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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 ...

ungefär 8 år ago | 0 answers | 0

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Question


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

ungefär 8 år ago | 2 answers | 0

2

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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 8 år ago | 1 answer | 0

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