Community Profile # Stephan

Last seen: 4 months ago Active since 2016

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Question

Gaussian quadrature for arbitrary weight functions
Dear all, there are several Matlab codes available to compute an integral of the form with Gaussian quadrature, where is a ...

10 months ago | 0 answers | 0

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Question

How to fix a colormap
Dear all, the following toy problem figure; hold on; [X,Y] = meshgrid(1:0.5:10,1:20); Z = sin(X) + cos(Y); surf(X,Y,Z); co...

11 months ago | 1 answer | 0

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Question

How to get Alpert multiwavelets?
Dear all, I would like to have the Alpert multiwavelets (not a wavelet-transform, only the set of functions). Thanks for any ...

1 year ago | 0 answers | 0

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Question

Laplace–Stieltjes transform
Hey, I would like to have an (inverse) Laplace–Stieltjes transform. I know there is a function for the Laplace transform. How...

1 year ago | 1 answer | 0

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Question

How to define LineSpec in one variable?
Hello everyone, I would like to specify the line properties in one variable. For example, the code plot([1,2],[1,2],'Color',...

2 years ago | 1 answer | 0

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Question

How to define a piecewise anonymous function
Hello everyone, the example code syms x continuous_function = x^2+x; matlabFunction(continuous_function,'Vars',x) gives me...

3 years ago | 2 answers | 0

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Question

How to shift a fsurf plot?
Hello, I would like to shift the plot produced by openExample('graphics/ParameterizedSurfacePlotExample') with respe...

4 years ago | 1 answer | 0

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How to rotate a fsurf plot
Thank you very much. I summarize your idea in this code: % ax = axes('XLim',[-1.5 1.5],'YLim',[-1.5 1.5],'ZLim',[-1.5 1.5...

4 years ago | 1

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Question

How to rotate a fsurf plot
Hello everyone, the following code rotates the plot that is produced by the function surf(). %example for surf: hsurf=...

4 years ago | 2 answers | 1

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Question

How to plot a filled box?
Hello everyone, in 2 dimensions I can plot a shaded rectangle with the following code: h=fill([0,1,1,0],[0,0,2,2],'red...

5 years ago | 1 answer | 1

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Question

Anonymous function with vector instead of multiple inputs
Hello everyone, I have the following example code that creates an array of functions. The size of the array and the number ...

5 years ago | 1 answer | 0

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Question

How to set legend for filled areas.
Hello everyone, the following code creates a figure with two shaded areas. My question is, how to label the areas by a legend...

5 years ago | 1 answer | 0

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Question

How to force eig() to return a triangular matrix
Hello everyone, the following code gives an example, where eig() should use the cholesky decomposition, i.e. should return a ...

5 years ago | 0 answers | 0

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Question

How to determine Coordinates in a plot
Hello everyone, I have the following simplified code, creating a subplot in one larger main plot. I want to draw a line betwe...

5 years ago | 0 answers | 0

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Question

How to set space-varying boundary conditions?
Hello, the following code gives 6 faces. I want to add a space-varying boundary condition for one face (F6). I think it is no...

5 years ago | 1 answer | 0

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How the implement a 3-fold sum?
Thanks!

5 years ago | 0

Question

How the implement a 3-fold sum?
Hello, there are answers for implementing a double sum. But what about a 3-fold sum of the type \sum (x_i*y_j*z_k)*M_{i,j,k...

5 years ago | 2 answers | 0