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William White


Imperial College

Aktiv seit 2015

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Beantwortet
How can I translate (move) a stress field a given distance?
x = X - dx y = Y - dy substitue the x and y in the formular to this. the dx and dy moves the stress field by that measure

fast 5 Jahre vor | 1

Frage


maximum value array of multiple arrays
Suppose I have many arrays or vectors of data A, B, C ....etc I can create an array which has the maximum and minimum valu...

mehr als 5 Jahre vor | 1 Antwort | 0

1

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Error bars for large noisy data sets
Dear all, I have ten large linear arrays (50,000+ elements) such as A = [ An1 An2....An50000 ] B = [ Bn1 Bn2....Bn50000 ] ...

fast 6 Jahre vor | 0 Antworten | 0

0

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Spherical surface plot from custom function
I have a function where the input is a set of Euler angles (z, x', z') and a four tensor, C, and outputs scalers, lets call them...

etwa 6 Jahre vor | 0 Antworten | 0

0

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Beantwortet
Simultaneous equations with four knowns four unknowns
Solved

etwa 6 Jahre vor | 0

| akzeptiert

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Simultaneous equations with four knowns four unknowns
I have a set of four simultaneous equations <</matlabcentral/answers/uploaded_files/106105/simeq.jpg>> I know the variab...

etwa 6 Jahre vor | 1 Antwort | 0

1

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Beantwortet
Area calculation within contour
I think I have a rather clumsy numeric answer. I count the number of entries in Z that are equal or larger than s. Then mu...

etwa 6 Jahre vor | 0

| akzeptiert

Frage


Area calculation within contour
Sirs, I have the following plot [C,h] = contour(X,Y,Z,[s,s]) Where s is a variable that I change. This plot the image: ...

etwa 6 Jahre vor | 1 Antwort | 0

1

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Plot only certain contours
Sirs, I am plotting a contour plot of data contourf(X,Y,Z) Say the values of Z range from 0 to 100 (or say, -100 to 100...

etwa 6 Jahre vor | 1 Antwort | 1

1

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Frage


Irregular meshgrid - how to create?
I wish to create an irregular meshgrid to simulate the positions of an atomic lattice plane. The plane is body-centred-cubic....

mehr als 6 Jahre vor | 0 Antworten | 0

0

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Path Integral from n*n array
I have an n * n array, which represents a scalar field. I wish to determine the path(line?) integral of a closed path around the...

fast 7 Jahre vor | 0 Antworten | 0

0

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Loop over two variables
I have a formula U(x,y) = some formula that depends on x and y x and y are Cartesian coordinates and U is the output that ...

fast 7 Jahre vor | 1 Antwort | 0

1

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Compile C++ for Unix environment
Sirs, I have some C++ code that is currently compiled to operate within Matlab in a Windows environment (Mex'ed). I wish to ...

mehr als 7 Jahre vor | 1 Antwort | 0

1

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Beantwortet
Tensor/Matrix multiplication problem
Solved, please ignore

fast 9 Jahre vor | 0

| akzeptiert

Frage


Tensor/Matrix multiplication problem
The shear stress at a point can be written (m•sigma)•n where m is the unit vector parallel to the slip plane; n is the uni...

fast 9 Jahre vor | 1 Antwort | 0

1

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Extract data from countour and add two (or more) contours together.
My problem is thus: I have a mesh onto which I 'plot' a function. That is, for every point x,y, I have a value Q What I...

fast 9 Jahre vor | 1 Antwort | 0

1

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Frage


How can I translate (move) a stress field a given distance?
I am modelling the stress field of a dislocation (an extra half line of atoms in a crystal) in a 2D plane The dislocation can...

fast 9 Jahre vor | 2 Antworten | 0

2

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