Community Profile

# Konstantinos Belivanis

Active since 2014

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Question

Inner and Outer radii of cylinder if Area and Iz are known
Hello all, I have several pipe sections of which I know the: 1. Moment of Inertia Iz = pi*(d_out^4-d_in^4)/64 2. Area...

ongeveer 7 jaar ago | 1 answer | 0

### 1

Question

Read file and find maximum value
Hello all, I have files that contain numeric and text values. What I want is to read them and find the maximum value of the s...

meer dan 7 jaar ago | 1 answer | 0

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Question

Nested if statements done elsewise?
Hello all, I have a huge matrix of NNNNNNx8 elements. I would like to receive a vector with true or false, 1 or 0 values with...

meer dan 7 jaar ago | 1 answer | 0

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How to breakdown n data into all possible k groups
I guess my Google is not as smart as yours...

bijna 8 jaar ago | 0

Question

How to breakdown n data into all possible k groups
Hello all, what I want to do is to break down n data (e.g. 4 for illustration purposes) into all possible 2 groups. For 1...

bijna 8 jaar ago | 2 answers | 0

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Multiple simultaneous discrete optimization problems
Solved by just entering more parameters in the function. And doing the loop outside of it. If anybody has the same issue, I c...

bijna 8 jaar ago | 0

| accepted

Question

Multiple simultaneous discrete optimization problems
Dear all, my question is based off of this example: http://www.mathworks.com/help/gads/solving-a-mixed-integer-engineering...

bijna 8 jaar ago | 1 answer | 0

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Interpolate non-monotonic test data
What I did was to run through all the data for the amount of times I wanted and interpolated when the point of interest was betw...

bijna 8 jaar ago | 0

| accepted

Question

Interpolate non-monotonic test data
Hello all, I want to interpolate at specific values the curve in the picture attached (say every 0.01 in the x axis). Any ide...

bijna 8 jaar ago | 2 answers | 0

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Question

Non linear Optimization problem.
Dear all, I have a problem where 4 parameters (A,B,C,D) feed into 5 nonlinear inequalities. I would like to minimize the ...

bijna 8 jaar ago | 1 answer | 0

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Extracting set of data around local maxima/minima
Thanks a lot for the answer. This will not get the next local minimum/maximum. As a result how can I ensure I can get multiple m...

ongeveer 8 jaar ago | 0

Question

Extracting set of data around local maxima/minima
Hello all, as the title says I would like to extract sets of data around local maxima/minima. Depending on the results I'll g...

ongeveer 8 jaar ago | 2 answers | 0

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Question

Make unequally spaced data, equally spaced
Hello all, I have the hourly temperature history for a long period of time (100k datapoints) for several locations. For easie...

ongeveer 8 jaar ago | 2 answers | 0

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Question

Creating input file but replacing variables
Hello all, I want to create input files in Matlab. All I need to do is to change some variables. As a result I want to change...

meer dan 8 jaar ago | 1 answer | 0

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Question

Importing data from excel file into column arrays
Hello all, I would like to import data from my excel file (Say data.xlsx) to many arrays into Matlab. I tried to do it with t...

meer dan 8 jaar ago | 0 answers | 0

### 0

Plotting 3D points from numerous arrays
Well actually, you appented all the points. What I would like is to show all the points (70 points in one plot) at the same time...

meer dan 8 jaar ago | 0

| accepted

Question

Plotting 3D points from numerous arrays
Hello all, I have 210 arrays each one representing the x,y,z coordinates of a point (70 points). My arrays are named Point_1_...

meer dan 8 jaar ago | 3 answers | 0