Alexander Engman
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Accept 5 answers given by other contributors
Awarded to Alexander Engman on 20 Jul 2017
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Question
How to recognize gender by name
Hi! I have a list (1 column, 601 rows) of the most popular male and female surnames and they are marked in another column as ...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
Changing values of axis
Hi! I have a plot such as in the attached image. As you can see, the y-axis values range from 1E-7 - 10E-7. I would like to r...
presque 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to turn values in one matrix corresponding to a specific element in another into NaN
Hi! If I have two matrices: A=[1 2 NaN; 4 NaN 6; NaN 8 9] B=[11 12 13; 14 15 16; 17 18 19] And I want to turn the ...
presque 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Drawing boundary lines in contour plot
Hi! I am creating a contour plot which I have attached. The data comes from a matrix named OPT that contains the values that ...
presque 7 ans il y a | 1 réponse | 0
0
réponseQuestion
White artifacts in colorbar for PDF/EPS plots
Hi, I know this is a very common problem. I was using Matlab 2016b and experienced the problem that these white lines were cr...
presque 7 ans il y a | 3 réponses | 0
3
réponsesQuestion
Creating a 3D surface of multiple lines
Hi! I have two variables (Vf,r) that in my code has generated values of a function (f). Vf is the volume fraction of particle...
presque 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Duplicating columns into a matrix
Hi! I think this is very easy to solve, but I simply dont know what is the easiest way. Let's say I have a vector: A=[1 ...
presque 7 ans il y a | 2 réponses | 0
2
réponsesQuestion
Predicting behavior of unknown functions based on known functions
Hi! Lets say I have data that I have used to fit two functions: y1=a*x^b+c %for K=10 y2=d*x^e+f %for K=20 y1 i...
presque 7 ans il y a | 1 réponse | 2
1
réponseQuestion
Extracting coefficients from cell array with fitted data
Hi! Suppose I have a cell array where each element contains a 1x1 cfit, each fit with its unique set of coefficients a,b and ...
presque 7 ans il y a | 1 réponse | 1
1
réponseQuestion
Underwater soundwave for different starting angles
Hi! I have previously asked about a similar problem but I will try again since I have since then corrected my codes a bit and...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesCalling function with different variables
Thank you! I understand what I did wrong now. Just one question, from where does the number 90 come from, in: X = zeros(...
plus de 8 ans il y a | 0
Question
Calling function with different variables
Hi! I have a function which looks like this: function dZ=undervatten(n,x,Z) p=[5.8795547370783 14.4873921534832 257.1...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
Soundwaves underwater problem not working correctly
Hi! I have a question regarding problem 7 in the attached document. I have looked at some of the other posts regarding thi...
plus de 8 ans il y a | 1 réponse | 0
0
réponseProblem with finding roots of an interpolated function
Hi John! Thank you for your very detailed and comprehensive answer. I am afraid that I am not allowed to use the code that...
plus de 8 ans il y a | 0
| A accepté
Question
Problem with finding roots of an interpolated function
Hi! I am having problem with an assignment. I am supposed to simulate a pendulum with Eulers method. I think I have managed t...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
Timing multiple Matlab functions
Hi! I have two different ways of calculating a factorial of any number, for this program its 150!. I want to time the two fun...
environ 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
Problem with storing for-loop values in array
Hi! I know the question of storing for-loop values in an array has been asked before. I am trying to compare the time it t...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Finding solutions to equations
Hi! I have a question regarding solving functions. I have a specific function I want to solve but rather than post it here, I...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Problem with an equation
Hi! I have a problem writing an equation in Matlab. The variables and the equation look like this: x=(-3:0.001:3) y=(...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Problems with exp-functions
Hi! I want to make a function of x. This is my code: x=(0:0.001:5); %x-values f=2*x*exp(-x); plot(x,f) But M...
environ 9 ans il y a | 1 réponse | 0
1
réponse
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