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Udit Srivastava


Last seen: ongeveer 4 jaar 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...

ongeveer 7 jaar 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 ...

ongeveer 7 jaar 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...

ongeveer 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar ago | 0 answers | 0

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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...

meer dan 7 jaar 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...

meer dan 7 jaar 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 ...

meer dan 7 jaar 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...

meer dan 7 jaar 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 ...

meer dan 7 jaar 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?

meer dan 7 jaar 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,...

bijna 8 jaar ago | 1 answer | 0

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