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Question
add image to legend label
Question is simple. Given a chart with two or more lines, as in: How to add an image to the legend, instead of a label? pl...
3 years ago | 2 answers | 1
2
answersQuestion
Plot variable across two dimensions
It is usual in the field of mechanics of fluids to plot interest variables as function of the thickness and along the length, su...
3 years ago | 1 answer | 0
1
answerQuestion
Visualize 3D domain
There are a bunch of options to visualize Volumetric (4D) data, as in here. What I am interested, however, is to visualize the ...
6 years ago | 0 answers | 0
0
answersQuestion
matlab ppval understanding of centering/displacement in breaks
The documentation on the ppval function gives the following example: breaks = [0 4 10 15]; coefs = [0 1 -1 1 1; 0 0 1 -2 53; -...
6 years ago | 1 answer | 0
1
answerQuestion
Draw diagonals of rectangle
The code below figure; hold on; rectangle('Position',[1 2 5 6]) axis([0 10 0 10]) plot([1 6],[8 2],'k') plot([1 6],[2 8],'k...
6 years ago | 1 answer | 0
1
answerMultiple summations in one formula
You can use for loops to do the sum or use the sum function: clc; clear; close all force; M = 1; % Test day N = 14; % Numbe...
6 years ago | 1
| accepted
Question
LiveScript error while saving to html
I have a LiveScript code with a lot of symbolic expressions. I try to export the LiveScript to html, but I get the following err...
6 years ago | 0 answers | 0
0
answersQuestion
2D Simpsons Composite integration
In the Mathematics Stack Exchange I questioned about the extension of the composite Simpsons rule to 2D integration. The proble...
7 years ago | 0 answers | 0
0
answersQuestion
sine fit in matlab vs closed-form expressions (linear least squares)
Given the arrays: t = 0:0.25:2; y = [3.0800 3.4900 3.1500 2.2300 1.2300 0.6900 0.8900 1.7300 2.7600]...
7 years ago | 1 answer | 0
1
answerQuestion
Save/use intermediate values on ode solver
I am doing a time integration of a system of ODEs using a stiff solver (ode15s). It is working, but I want to speed things up. ...
7 years ago | 1 answer | 0
1
answerQuestion
Volume defined by vertices to stl file to mesh
Hi, I have the following points defining a hexahedra in space. x = [0 0 0 0 0.1 0.1 0.1 0.1]'; y = [0 0.1 0 0.1 0 0.1 0 0.1]'...
7 years ago | 3 answers | 0
3
answersQuestion
plot mean of vector v(1:i)
For simplicity, I have the following code v=1:10; for i=1:10 mean_v(i) = mean(v(1:i)); end plot(v,mean_v) In essen...
7 years ago | 1 answer | 0
1
answerQuestion
Publish pdf with code error
I have a mlx file with some text and a few lines of code. I deliberately wrote a few code instructions I expect to return an err...
7 years ago | 1 answer | 0
1
answerQuestion
Change exponent of scientific notation on plot
How do I change the scientific notation exponent on the x-axis of my plot? <</matlabcentral/answers/uploaded_files/103633/que...
8 years ago | 1 answer | 1
1
answerQuestion
Parallelize instructions inside for
Is there a way to parallelize independent instructions within a for loop? The loops themselves aren't independent, so parfor is...
8 years ago | 1 answer | 0
1
answerQuestion
summing two 3d matrices to check convergence
Given two 3d matrices, obtained in a iterative process as the solution to a PDE, I want to check convergence. To do so, I check:...
8 years ago | 1 answer | 0
1
answerCan I solve a set of differential equations containing multiple dependent variable and their derivatives ?. There is only one independent variable in my set of equations.
check the ode15i, suitable for implicit equations, like the one you provided. <https://www.mathworks.com/help/matlab/ref/ode1...
9 years ago | 0
| accepted
Question
matlab autocorrect in editor preferences
Is there an AutoCorrect in Matlab Editor as there is one for Word? I would like to type a few letters and change it for some com...
9 years ago | 0 answers | 0
0
answersQuestion
what is a good way to mesh the desired domain
Given the mesh below (I can find the mesh and I plotted over the mesh two vertical lines), I would like to know a good way to fi...
9 years ago | 0 answers | 0
0
answersQuestion
Plot selected variables according to flag
I have three variables x1, x2 and x3 and vector, say, flag = [1 0 1] If I want to plot on the same figure x1...
9 years ago | 1 answer | 0
1
answerQuestion
do disp iterations slow down the code?
If I have an iterative solver, i.e., while norm(P-Pold) > eps; ... disp(sprintf('%10d %10.4f',k,norm(P-Pold))...
9 years ago | 1 answer | 0
1
answerQuestion
difference in declaring big arrays with iterators
Given an array (to use as an iterator) i = [1:1e8]; What is the actual difference between declaring both arrays and why ...
9 years ago | 1 answer | 0
1
answerQuestion
Modal Parameters from dynamic system (numerical errors)
I have a dynamic system modeled by the Mass, Damping and Stiffness matrices [M], [C] and [K], respectively, i.e., [M]{x''} + ...
10 years ago | 0 answers | 0
0
answersQuestion
Open matlab in fortran environment
I'm working with Fortran and I would like to open Matlab to plot my answers. How to do it? The compiler is Intel Visual Fortran...
11 years ago | 1 answer | 0
1
answerQuestion
Programming Practices Tips - Index on matrix with some information
Hi, I want a tip on what is the best way to code something. I have a matrix with some information. The first column is the i...
11 years ago | 1 answer | 0
1
answerQuestion
Two optional parameters mutually exclusive
Hello, the question is pretty simple. I have a function with two optional parameters: y = f(x,opt1,opt2) The user may...
11 years ago | 3 answers | 0
3
answersQuestion
Plot 2d pressure field
I would like to plot a 2d pressure field, i.e., I have two vectors x, y and the pressure P on each point. I would like to plot a...
12 years ago | 1 answer | 0
1
answerQuestion
How to join two vectors
I have a vector x1 = [1; 0; -2] and an array R = [1 0; 2 -0.5; 6 0] and I want to create a vector Xg = [0 -0.5 1 0 -2 0]. Th...
12 years ago | 2 answers | 0
