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# Shani Gal

Active since 2012

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Trace Marker Along Line
Hi I have tried writing the code to trace marker along a line ( form matlab help)to make an animation 1. it doesn't work ...

5 years ago | 1 answer | 0

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Question

how to use ode45 with 4 ode?
Hi I have a set of 4 ode, How can I use ode45 to solve them? The ode: dr/dt=u d(TH)/dt=h/r^2 du/dt=h^2/r^3-1/r^2...

5 years ago | 1 answer | 0

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Question

Seting ticks on axis
Hi I have the following code: A=linspace(-0.5,0.5) B=linspace(-12.5,15) plot(A,B) axis([-0.5 0.5 -25 25]) s...

8 years ago | 1 answer | 0

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Question

Problem saving a file
I I tried saving a file, got this error message {Warning: Variable 'Res' cannot be saved to a MAT-file whose version ...

9 years ago | 1 answer | 0

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Question

Proble Saving a Binary File
Hi I am trying to save my matlab variables in binary files, unsuccessfully. For example, if I have A=[1,1,1;2,2,2] and ...

9 years ago | 1 answer | 0

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Question

Hi, Tried to calculate the surface area of a spherical cap with areaquad I wrote the following code: R=100; TH=30 ...

9 years ago | 0 answers | 0

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Question

Basic Vector Manipulation
Hi I have 2 vectors A=[8,4,5,2,4,6,4,8]; K=[1,3,5,1] I want to create a third vector like this: C(1)=sum(A(1)) ...

9 years ago | 1 answer | 0

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Question

Density 4D plot on a sphere
Hi, I need to plot density plot on a sphere, I have the following input in spherical coordinates : [R, theta,phi]=n R i...

9 years ago | 0 answers | 0

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Question

Parallel Code
Hi Can I run this code in parallel? A1=F(A1,B1) A2=F(A2,B2) F is a function, A1 B1 are unrelated to A2 B2 How...

9 years ago | 1 answer | 0

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Question

Memory Vs Code
Hi I have a program that manipulates a large matrix size A=[1e6,5] And I was wondering if running the code twice on a smal...

9 years ago | 1 answer | 0

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Question

contour plot in polar coordinates
Hi Found this code for generating contour plots with polar coordinates. It works, but I don't understand why and I also ne...

9 years ago | 1 answer | 0

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Question

Create Variables with a for loop
Hi I need to be able to run this following code: Vx(1)=[0,0,12] Vx(2)=[12,1,1,1,] Etc I need Vx to be a vector ...

10 years ago | 2 answers | 0

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Question

Axes ticks labeling in contourf
Hi How do I label the X and Y ticks in contourf ? if I have a 20x30 matrix, when I use contourf the x-axis is labeled from ...

10 years ago | 2 answers | 0

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Question

contourf with no isoline
Hi How do I plot a contourf plot only with colors and no isolines? "filled contour plot displays isolines calculated from...

10 years ago | 2 answers | 2