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Moj


Last seen: 2 years ago |  Active since 2013

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How is possible to calculate error for a fitted graph?
Could you please guide me is there any command to calculate error for a fitted scattered data?

5 years ago | 0 answers | 0

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answers

Question


nonlinear curve fitting a function on data
Hi, I have some experiment data. Hereby, I need to fit the following function to determine one of the variable. A Levenberg–Mar...

5 years ago | 2 answers | 0

2

answers

Question


simple error on plotting
Dear There, I got an unknown error on plotting so simple function. My function is: function test x = 0:pi/100:2*pi; y...

9 years ago | 2 answers | 0

2

answers

Question


How can I substitute a variable?
Dear community, How can I use *'subs'* here? I defined x array to interpolate y and here I want to substitute x= 2 into y ...

10 years ago | 2 answers | 0

2

answers

Question


Is my approach true to find the area by using 'trapz'?
Dear community, I want to determine s1 and s2 areas which are surrounded by these two plots (please see the figure). First...

10 years ago | 0 answers | 0

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answers

Answered
How can I find roots of my interpolated functions?
yes I modified it as a fun = @(theta_0)(y_1 - y_2); but it still doesn't work I get this error: _Error using fzero (...

10 years ago | 0

Question


How can I find roots of my interpolated functions?
Dear community, I want to use 'fzero' to find the root of my equation. but unfortunately it doesn't work. it gives me this ...

10 years ago | 1 answer | 0

1

answer

Question


how can I plot an array by array?
I solved an ODE with bvp5c function, but here I do not know how to plot my output data which is in array. for ndx = 0:1e-1...

10 years ago | 0 answers | 0

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answers

Question


how can I plot an array by array?
Dear community, I want to plot an array by array but I don't know how to do this. x and y are 1 * 300 arrays. for i = 7e...

10 years ago | 2 answers | 0

2

answers

Question


Why can't I plot such an easy graph?
Dear community, Why can't I plot such an easy graph? for i = 1:100 x(1,:) = 1 + 2*i; y(1,:) = 3 + i; end p...

10 years ago | 2 answers | 0

2

answers

Question


how can I determine the areas surrounded by these two plots?
<</matlabcentral/answers/uploaded_files/22331/a.png>> Dear community, I want to determine the area surrounded by these t...

10 years ago | 1 answer | 0

1

answer

Question


How can I interpolate my data?
Dear community, I have two matrices which are: x = [0,3e-5, 7e-5, 2e-4, 6e-4, 0.002, 0.006, 0.01, 0.02, 0.03, 0.05, 0.07];...

10 years ago | 2 answers | 0

2

answers

Question


Why am I get discontinuous plot?
Why am I get discontinuous plot? x = -2*pi:.1:2*pi; y = 2e-6*sin(x).*cos(x)/(10.5e-12*sin(x).^2+13.8e-12*cos(x).^2); ...

10 years ago | 1 answer | 0

1

answer

Question


how can I plot y=log(2,(2-a)) ?
How can I plot y = log(2,(2-a) in matlab: I have written this code but unfortunately I encounter with errors: a = 0:0.2:1...

11 years ago | 2 answers | 0

2

answers

Question


How can I plot this equation?
I want to plot a figure but I don't know how to write "s" string with a loop. Here is my code k1=5.3e-12; k3=7.3e-12; mu...

11 years ago | 1 answer | 0

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answer

Question


solving bvp differential equation
I want to solve bvp differential equation. but after a lot of effort I couldn't . my equation is: (k1*cos(teta)^2+k3*sin(t...

11 years ago | 0 answers | 0

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answers