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mortain


Active since 2011

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image processing, statistics
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Edge detection water droplet
<</matlabcentral/answers/uploaded_files/63463/Test.png>> Hello, I am interested into evaluating the section area of the wa...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Question


Ordinary differential equation - pratical problem
Hello, I have a single equation of the form: u'=a*u^2+b*u^1.5+c*u+d. I am trying to solve it in Matlab but it does not find ...

meer dan 8 jaar ago | 0 answers | 0

0

answers

Answered
2D function contruction
I sorted it using cftool. Wonderful tool!

meer dan 8 jaar ago | 0

Question


2D function contruction
Hello, I had scattered data from 3 experiments. The tests measure voltage and flow rate for three different geometries. I hav...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


Using the print command makes disappearing a surface from a figure
Hello, I am using Matlab R2014b. I have a picture which is made by 3 items: 1) lines made with plot 2) cloud of points made...

ongeveer 9 jaar ago | 2 answers | 0

2

answers

Question


Startup matlab is slow
Hello, I have a 64 bit computer, running Windows 7 and with Intel XEON 2.8 GHZ and 50 GB RAM, with Matlab R2014B. The star...

bijna 10 jaar ago | 0 answers | 0

0

answers

Question


Linear System to be solved when the matrix of the coefficients is not defined
Hello, I need to solve a linear system of equations [A]{x}={b} but I don't have the matrix [A]. To be more precise, the equat...

ongeveer 11 jaar ago | 0 answers | 0

0

answers

Question


Interpolating through spline and then get corresponding values
Hello, I have a certain set of points which create a curve. I want to evaluate what is the y value at other x locations, not ...

ongeveer 12 jaar ago | 1 answer | 0

1

answer

Answered
I cannot make a calculation with the command int
close all clear all clc n=5 alfa=10; beta=10; digits(40) syms x dim=5; %max order polyno...

meer dan 12 jaar ago | 0

Question


I cannot make a calculation with the command int
Hello, I am doing a calculation, but matlab doesn't want to do it with the command int. I have found the solution with other sof...

meer dan 12 jaar ago | 5 answers | 2

5

answers

Question


Request of calculating mixed integral - from -Inf to k
Hello, I have a simple question, but i cannot solve it. I would like to evaluate the integral of the function: f=exp(-x) b...

bijna 13 jaar ago | 1 answer | 0

1

answer

Question


Hatching a region between two functions
Hello, I have a set of data, I calculated the min and the max and the average and then I want to plot the average and hatch t...

meer dan 13 jaar ago | 2 answers | 0

2

answers

Answered
Plot 3d graphs of a 2D gaussian function
Thank you very much, it is working in a wonderful manner! I have understood how it works....

meer dan 13 jaar ago | 0

Question


Plot 3d graphs of a 2D gaussian function
Hello, I have two gaussian variables and their probabilities. The number of points is limited to 200 and I want to plot the ...

meer dan 13 jaar ago | 3 answers | 0

3

answers