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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...

1 year 前 | 2 个回答 | 1

2

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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...

1 year 前 | 1 个回答 | 0

1

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提问


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 ...

4 years 前 | 0 个回答 | 0

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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; -...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 0

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已回答
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...

5 years 前 | 1

| 已接受

提问


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...

5 years 前 | 0 个回答 | 0

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

5 years 前 | 0 个回答 | 0

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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]...

5 years 前 | 1 个回答 | 0

1

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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. ...

5 years 前 | 1 个回答 | 0

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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]'...

5 years 前 | 2 个回答 | 0

2

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提问


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...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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提问


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...

7 years 前 | 1 个回答 | 1

1

个回答

提问


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...

7 years 前 | 1 个回答 | 0

1

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提问


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:...

7 years 前 | 1 个回答 | 0

1

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已回答
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...

7 years 前 | 0

| 已接受

提问


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...

7 years 前 | 0 个回答 | 0

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提问


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...

7 years 前 | 0 个回答 | 0

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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...

7 years 前 | 1 个回答 | 0

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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))...

7 years 前 | 1 个回答 | 0

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提问


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 ...

7 years 前 | 1 个回答 | 0

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提问


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''} + ...

9 years 前 | 0 个回答 | 0

0

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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...

9 years 前 | 1 个回答 | 0

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提问


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...

9 years 前 | 1 个回答 | 0

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提问


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...

10 years 前 | 3 个回答 | 0

3

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提问


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...

10 years 前 | 1 个回答 | 0

1

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提问


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...

10 years 前 | 2 个回答 | 0

2

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