James McDaniel
Boston University
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saving graphic as pdf file not working "out of the box"
The following code has produced a good output file since pdf was invented. I never had a problem. But the latest version has pro...
4 months 前 | 1 个回答 | 0
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finding partial solutions from ill-conditioned equations
I am hoping you can point me in the right direction. I have a linear system Ax = b. A is illconditioned. I believe, however tha...
11 months 前 | 2 个回答 | 0
2
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finding index to a vector in structure
Consider the following example: f = struct f(1).x = 5; f(2).x = 1:10; f(3).x = 1; f(4).x = 2; I wish to ...
10 years 前 | 1 个回答 | 0
1
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color leaves out data
The command pcolor(1:4, 1:4, randn(4,4)) produces a tiled plot with 9 colors even though randn(4,4) is a colle...
10 years 前 | 1 个回答 | 0
1
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iterative solvers and speed comparisons
We are using an iterative solver with various starting guesses and trying to assess whether this is faster than using a direct s...
13 years 前 | 0 个回答 | 0
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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
13 years 前
