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Anshuman S


Last seen: mer än 2 år ago |  Active since 2017

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Any way how to go around the memory issue?
I am running a program with the following code ntimemax=10000000; ngroupmax=300; dtime=0.0001; qmax1 = 10.2; % define output i...

mer än 3 år ago | 1 answer | 0

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Not able to understand matlab script
Can someone please help me in understanding this matlab sript in terms of mathematical equation. N12(2,j)=(N12(1,j)*pa12(1,j)+ ...

mer än 3 år ago | 1 answer | 0

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Question


Not able to install Matlab 2011b
I have downloaded all the files related to Matlab r2011b from ( https://in.mathworks.com/downloads/ ) and kept them in a separat...

mer än 3 år ago | 1 answer | 0

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Question


Not able to run Matlab runtime .exe file.
I'm running matlab version R2019b. I wanted to open a Matlab combiled exe file, but the following message appears. "Could not f...

mer än 3 år ago | 1 answer | 0

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Question


How to plot negative values while using loglog plots?
I'm using the following code. a = [ 1 2 3 4 -1 -1 -3 -4 5 6 ] b = [ 1 2 3 4 5 6 7 8 9 10 ] loglog(b,a,'-o') Warning: Negativ...

mer än 3 år ago | 0 answers | 0

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Question


How to integrate this function using ode23?
The given function is as follows: I've written the following code: clc clear all tspan = [0 10]; y0 = 0; %[t,y] = ode2...

mer än 4 år ago | 1 answer | 0

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Question


plotting an array skipping some columns
I have a matrix T(x,t) = T(position, time), The final matrix comes as 101x1000 , I don't want to plot for all 1000 columns, I wa...

mer än 4 år ago | 1 answer | 0

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Question


I want to plot a function for different values of time
This is a function in 2 variable (x,t) f = (699729515992263*exp(-(3555899736243218994140625*t)/9007199254740992)*cos(20000000*p...

mer än 4 år ago | 2 answers | 0

2

answers

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Animating lines and curves in matlab
I am simulating a solidification problem, where I am developing microstructres with time! I wanted to know whether anything li...

mer än 4 år ago | 1 answer | 0

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Question


Not able to get plot
x = linspace(0, 0.3,0.01); y = ((384*0.5*((0.15).^(3/2)))./ (x.^(3/2))).^(1/2); %cr figure plot(x, y)

mer än 5 år ago | 1 answer | 0

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Question


Want to combine two plots
I want to plot y1 = 100.0 - 90.0*exp(-0.0465*t); and y2 = 203.6 - 11.3*t; together on the same plot and then plot ( y = y1 +...

mer än 5 år ago | 1 answer | 0

1

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Question


Not able to use plot function
Not able to get anything on plot t = linspace(0,20); y10 = -(1.0*(0.013586877477623817727984981165799*exp(- 0.1115247764...

mer än 5 år ago | 2 answers | 0

2

answers

Question


Not able to solve an ode using dsolve
Not able to get any result out of this code. May anyone help, thanks syms y(t) ode = diff(y,t) == -0.127.*(-3.*(log...

mer än 5 år ago | 1 answer | 0

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how to coupled non-linear ode's
I am trying to solve a system of reactions involving steel-slag interaction, but I'm stuck at this system of ode's. May anyone t...

mer än 5 år ago | 0 answers | 0

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Multi-variable optimization problem
I want to perform a multivariable optimisation. where I want to minimise both the objective functions together for the same valu...

mer än 5 år ago | 0 answers | 0

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answers

Question


Partial diffrentiation not working
This is the following code has an error as : " Error using sym/diff (line 69) The second argument must be a variable o...

ungefär 6 år ago | 1 answer | 0

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Question


How to express this result in decimals ?
This is tha problem; phi_dash= (4610380494485263574757718612977234468314401*lm)/7922816251426433759354395033600000000 + ...

ungefär 6 år ago | 1 answer | 0

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Need help with contour plot .
I am not able to follow the instructions on my computer system, can you please help with the *contour plot* of this matrix *(num...

ungefär 6 år ago | 0 answers | 0

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Question


How to plot a polar plot from a matrix or excel file ?
I have a matrix A which contains values at different angles & radius. The index of this matrix represents ( angles,radius ) as ...

ungefär 6 år ago | 2 answers | 0

2

answers

Answered
Not able to solve this expression
I have solved the problem now , The r term was not within the bounds. It should be less than r0 ( 0.03 cm ) . thus r = 0.03*(j-1...

ungefär 6 år ago | 0

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Question


Not able to solve this expression
<</matlabcentral/answers/uploaded_files/135828/IMG_5612.JPG>> I am not able to code this expression , I have tried but it's n...

ungefär 6 år ago | 1 answer | 0

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Question


The sizes of the second and third arguments are inconsistent. using syms
The error is showing up in line #39 i.e { J1=subs(J,var,var1); } . Error shows up as : Error using sym/subs>normalize (line ...

ungefär 6 år ago | 0 answers | 0

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I want to plot a 2D matrix with a color contrast.
I've got a spreadsheet ( 2-D matrix ) which has got temperature readings of various points on a 2-D plane. How can I plot a colo...

mer än 6 år ago | 1 answer | 0

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Question


2D matrix plane from a 3D matrix.
I want to get a plane from a 3D matrix as a 2D matrix. i have tried using these commands but it doesn't works. P = A ( 10, :,...

mer än 6 år ago | 1 answer | 0

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Question


Matrix indexing and plotting related doubt.
I am having a 3D matrix with 20 rows (x direction) , 50 cols (y direction) and 187 points ( z direction ,3rd dimension ). I want...

mer än 6 år ago | 1 answer | 0

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Question


3D plot of a matrix
I have constructed a 2D matrix A for Temperature as a function of position ( 1 dimensional ) & time, I want to plot a surface fo...

mer än 6 år ago | 3 answers | 0

3

answers

Question


Implicit Equation solution inside a for loop
I want to solve the two expressions which are inside the for loop for o and p; and add their differenced sum of each iteration...

nästan 7 år ago | 0 answers | 0

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Question


Implicit function inside a loop.
I want to plot a curve between err and b for different values of b. * I have kept the values of i to be a constant for the ...

nästan 7 år ago | 1 answer | 0

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Question


Can I insert an iterating value in legends of a plot ?
The code is as follows ; I want to use the iterating b value in the legends . like b=5, b=8 , b=11 etc. if true % code...

nästan 7 år ago | 1 answer | 0

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Question


How to plot implicit function in an iteration ?
for b= 5:1:40 f = @(o,i) sind(b+i) + sind(b+o)-( 1140/0.04 + sqrt ((1140/0.04 -2*sind(b)).^2 - (cosd(b- o)- cos(b +i)).^2))...

nästan 7 år ago | 1 answer | 0

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