Ole
47 total contributions since 2014
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Awarded to Ole on 09 Oct 2019
Accept 20 answers given by other contributors
Awarded to Ole on 02 Sep 2019
Question
Why subs symbolic fails here
How to make subs work for expression that are not identically simplified from the 'simlify' function. The expressions bellow ar...
3 meses ago | 1 answer | 0
1
answerQuestion
Symbolic collect and display
I would lie to display the coefficients before the expansion terms of the cos one by one. syms x y f = expand(sin(x + 3*y));...
3 meses ago | 1 answer | 0
1
answerQuestion
Rotation of curve question
I am trying to rotate a curve about a point (yellow asterisk) and do not obtain a symmetric result. Xr = (x-XXc)*cos(delta) + ...
4 meses ago | 1 answer | 0
1
answerQuestion
speed for loop in sum
Can the for loop be removed ? x=linspace(-2,2,100); %some vector [X,XX]=meshgrid(x,x); %some matrix a=1/2;%some constant A0...
9 meses ago | 1 answer | 0
1
answerQuestion
Numerical value for sum of bessel functions
I would like to find as numerical value the sum of bessel functions A0 . Is it possible to speed it ? x= linspace(-2,2,100)...
9 meses ago | 1 answer | 0
1
answerQuestion
Conditional 'for loop', simpler ?
Is it possible make a for double loop simpler. x=linspace(-2,2,100); s=1/2; [X,Y]=meshgrid(x,x); A = X.^2; B = Y; for k=1:si...
9 meses ago | 1 answer | 0
1
answerQuestion
How to create a circle with segments of specific colors
I am trying to create an image of a circle with inner and outer radius, that is divided radially in segments. The...
9 meses ago | 1 answer | 0
1
answerQuestion
Choose a number from counter by key pressing
I would like to have a repeating sequence in time of numbers 1 to 100. When a key is pressed to display the current number a...
más de 1 año ago | 1 answer | 0
1
answerQuestion
Is there a function to draw the cie chromaticity diagram ?
Is there a function to draw the CIE chromaticity diagram ? How to use plotChromaticity ?
más de 1 año ago | 2 answers | 0
2
answersQuestion
How to make 2D rainbow ?
How to make a 2D rainbow plot like https://en.wikipedia.org/wiki/Visible_spectrum#/media/File:Spectrum.svg <https://en.wiki...
alrededor de 2 años ago | 1 answer | 0
1
answerQuestion
How to make a Riemann surface plot of simple analytic functions ?
How to make a riemann surface plot of simple analytic functions ? The code below does not give the correct plots. clear al...
alrededor de 2 años ago | 0 answers | 0
0
answersQuestion
How to write to word file using utf-8 encoding
I cannot save cyrilic to word file. I tried also reading a text file in utf8 but cannot write it with the same encoding. How t...
más de 2 años ago | 1 answer | 0
1
answerQuestion
How to copy only paragraph from text file
I would like to copy a paragraph from text file ( Sample text Sample text). The paragraphs are divided by 1-1 like numbering....
más de 2 años ago | 1 answer | 0
1
answerQuestion
How to display info with mouse over text region inside a figure
Is there a way to display information when you put the mouse over a text region inside a figure. * x = linspace(-3,3); ...
más de 2 años ago | 1 answer | 1
1
answerQuestion
How to sort the output of variables of cell array ?
I would like to sort the output of variables fx1 with the first digit and preserve the rows. sortrows(data,1) does not work ...
más de 2 años ago | 1 answer | 0
1
answerQuestion
The inputdlg stays open
I would like to to have an input window and have the ability to change the input data. The code below uses inputdlg. The pro...
más de 2 años ago | 1 answer | 0
1
answerQuestion
Cyrylic in Matlab .m file save and run issues
I am sure there should be a solution out there for using matlab with different alphabet that Latin. When I run a script with ...
más de 2 años ago | 1 answer | 0
1
answerQuestion
value from string ?
I would like to use vectarrow function to draw vectors: <https://www.mathworks.com/matlabcentral/fileexchange/7470-plot-2d-3d...
más de 2 años ago | 1 answer | 0
1
answerQuestion
How to compare non latin letters?
I would like to assign a number to a specific letter of name. But the name is let say in Cyrillic 'Том'. Now the isletter...
más de 2 años ago | 1 answer | 0
1
answerQuestion
How to convert 2D image of circle shape to 2D straight line ?
I have an image 2D that looks pretty much like donut how to convert it to straight lines ? Basically I would like to sum over...
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to solve differential equation of 3 order analytically
I would like to solve a system of differential equaions x''[t] == -a0*(a1 - b*z'[t])*cos[w*t], x[to] == 0, x'[to] == 0 ...
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to plot second y axis y2 that is just related to y1 as f(y1)
I have a plot on y1 axis. I would like to have units conversion on axis y2, as f(y1). How can you plot two units on one graph...
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to distribute a vector in histogram in a loop ?
I have loop that generates a vector x of different size each iteration. I would like to just sum the values of the vector x t...
más de 3 años ago | 0 answers | 0
0
answersQuestion
Full control of plot axes and labels?
I am having troubles with plot of figure. Seems it has alot of data point and respond quite slowly when I tried to change the fi...
más de 3 años ago | 0 answers | 0
0
answersQuestion
How to manipulate cell array of vectors (just numbers ) that are not same length?
I want to plot cell array M{k} that has vectors of different size. How to do it ? How to transpose it ? plot(M{:}) retur...
más de 3 años ago | 2 answers | 0
2
answersQuestion
How to pause execution of script ?
I want to pause execution of script and continue later ? How to do it ?
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to store vectors with different size in a loop ?
How to store vectors with different size and how to access them. M(k) found_roots F = @(t) cos(t)*exp(-t); A...
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to integrate integral(integral(cos(t),-10,t) ,t1,t2)
How to integrate numerically Z(t1,t2) ? My function is more complicated than cos but is analytical. integra...
más de 3 años ago | 1 answer | 0
1
answerQuestion
How to get value from string II = strcat('A', num2str(la));
I want to plot few matrices A1 A2 A3 A4 A5 and call them in loop to make a movie. I am trying to make a string II = strcat('A',...
más de 3 años ago | 2 answers | 0
2
answersQuestion
How to plot with pcolor one 2D function with two x axis ?
I would like to plot one function with two x axis. One on the bottom one on the top. The top is just different vector. How to a...
casi 4 años ago | 1 answer | 0
1
answer
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