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# Ilias Minas

Last seen: 1 year ago Active since 2019

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Question

solve an ode with three methods in the same script
Hi all, I have a differential equation and I want to solve it using Runge Kuta, Midpoint method and euler. So far I have creat...

2 years ago | 1 answer | 0

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Question

calling a function from a script
Hi all, I have a differential equation which I want to solve using Euler method. I created a script which has only the equatio...

2 years ago | 1 answer | 0

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Script for Monte carlo method
Hi all, I have a data set and I would like to impement Markov Chain Monte Carlo method. Is there any script that I could use f...

2 years ago | 1 answer | 0

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plot of log likelihood values
Hi everyone, I have the following data values [2 4 3 1 6 2 2.5 7 10] with two parameters :shape and scale. I would like to ...

2 years ago | 1 answer | 0

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Question

Matlab play with specified location
Hello, I am trying to simulate the throw of a ball in a random location. The ball once lands, does not change positions neit...

2 years ago | 0 answers | 0

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Phase portraits of differential equations
Hi all, I am trying to sketch the phase portraits of the following differential equations, seperately x˙ = 1 − 2 cos x and ...

2 years ago | 1 answer | 0

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Question

select specific values from a matrix based on indeces
Hi all, I have a matrxi of 4*37800. I want to keep specific values based on two indeces. The first index shows the rows that i...

3 years ago | 1 answer | 0

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select complex numbers from cell array based on the real part
Hi all, I have a 7D cell array with complex numbers. I want to keep the complex number with the highest real part, of all ...

3 years ago | 1 answer | 0

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Calculate the damping from a signal
Hi to everyone, I have the following signal and i want to calculate the damping ration. Is it possible to use a function in Ma...

3 years ago | 0 answers | 0

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Select specific cells from a cell array and create a seperate vector
Hi everyone, I have the following cell array Max_Col_Cell(9,10,15) I want to isolate every combination of the first two eleme...

3 years ago | 1 answer | 0

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Question

Integrate inside ode45, every value of a a vector
Hi everyone, I have the following part inside a script if t<=1.5 x=(0:2.51326406981556e-05:2*pi)'; %limits for ...

3 years ago | 1 answer | 0

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Question

Calling external function in ode45
Hi everyone, I have the following equation of motion in a system of 6 equations of motion, which are solveed using ode45. dy...

3 years ago | 1 answer | 0

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Question

how to number every val in a cell array?
Hi all, I have a 7-D cell array doing with 7 variables having from 1 -15 values each. The result i am taking has the follow...

4 years ago | 0 answers | 0

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Question

complex number inside cell array
Hi all, I have a cell array and inside each cell i have 26 complex number with imaginary part starting from 0 until 5000. I ...

4 years ago | 1 answer | 0

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Question

multiple x axis in 3d plot
Hi, Can i have 3 x axis in a 3d contour? And how? Thank you

4 years ago | 1 answer | 0

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Question

surface from scatter 3 plot
Hi, I have the following scatter graph using the commant scatter 3 My x axis is a column vector 3042x1 (utuvals 0-0.6) my...

4 years ago | 1 answer | 0

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plot a surcafe having different length vectors and cell array
Hello, I have a cell array of 7x7(see the picture). Inside every cell there are different number of values. For example in (2,2...

4 years ago | 0 answers | 0

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Question

Keep positive real values from a cell inside a matrix
Hi, I have a matrix 21x13. Inside every cell there are 26 complex values. I want to keep only the real positive parts of tho...

4 years ago | 2 answers | 0