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Thales


Last seen: circa 2 mesi fa |  Attivo dal 2014

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Domanda


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...

oltre un anno fa | 2 risposte | 1

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Domanda


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...

oltre un anno fa | 1 risposta | 0

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Domanda


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 ...

oltre 4 anni fa | 0 risposte | 0

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Domanda


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; -...

quasi 5 anni fa | 1 risposta | 0

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Domanda


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...

circa 5 anni fa | 1 risposta | 0

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Risposto
Multiple 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...

circa 5 anni fa | 1

| accettato

Domanda


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...

oltre 5 anni fa | 0 risposte | 0

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Domanda


2D Simpsons Composite integration
In the Mathematics Stack Exchange I questioned about the extension of the composite Simpsons rule to 2D integration. The proble...

oltre 5 anni fa | 0 risposte | 0

0

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Domanda


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]...

oltre 5 anni fa | 1 risposta | 0

1

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Domanda


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. ...

oltre 5 anni fa | 1 risposta | 0

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Domanda


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]'...

oltre 5 anni fa | 2 risposte | 0

2

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Domanda


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...

quasi 6 anni fa | 1 risposta | 0

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risposta

Domanda


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...

oltre 6 anni fa | 0 risposte | 0

0

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Domanda


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...

quasi 7 anni fa | 1 risposta | 1

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risposta

Domanda


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...

quasi 7 anni fa | 1 risposta | 0

1

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Domanda


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:...

circa 7 anni fa | 1 risposta | 0

1

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Risposto
Can 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...

oltre 7 anni fa | 0

| accettato

Domanda


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...

oltre 7 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 7 anni fa | 0 risposte | 0

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risposte

Domanda


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...

oltre 7 anni fa | 1 risposta | 0

1

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Domanda


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))...

oltre 7 anni fa | 1 risposta | 0

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Domanda


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 ...

oltre 7 anni fa | 1 risposta | 0

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Domanda


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''} + ...

circa 9 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

oltre 9 anni fa | 1 risposta | 0

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Domanda


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...

oltre 9 anni fa | 1 risposta | 0

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Domanda


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...

circa 10 anni fa | 3 risposte | 0

3

risposte

Domanda


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...

oltre 10 anni fa | 1 risposta | 0

1

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Domanda


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...

oltre 10 anni fa | 2 risposte | 0

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