Naor Movshovitz
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Documentation error for polyval ouput?
The documentation for polyval describes the optional output argument delta like this: "Standard error for prediction, returned ...
7 years 前 | 1 个回答 | 0
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headcount(file_name, header_mark)
Return number of header lines in text file.
7 years 前 | 1 次下载 |
已提交
nmovshov/physunits
Dimensioned variables with enforced dimensional consistency
8 years 前 | 1 次下载 |
已解决
Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...
9 years 前
已解决
How to subtract?
* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...
9 years 前
提问
Huge overhead in fsolve due to fsolve>createExitMsg()
Is it just me or is the fancy exit messaging in |fsolve| creating huge overhead?I imagine this might impact other |optim| toolbo...
9 years 前 | 2 个回答 | 4
2
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How to derive a subclass that is a "frozen" state of another class?
Suppose |dynClass| has lots of dependent properties calculated on the fly and/or read from private properties, based on complica...
9 years 前 | 0 个回答 | 0
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How to test if a function handle belongs to a particular package?
I have a method that accepts a function handle and then needs to branch depending on whether that function is part of |+package1...
9 years 前 | 2 个回答 | 0
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Is fullfile(0,0) undocumented behavior or bug?
What is the purpose, if any, of non-char inputs to |fullfile|? >> fullfile(0) > In fullfile>refinePath (line 93) In ...
9 years 前 | 1 个回答 | 0
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Can I share a copy of a CONSTANT large array between workers of a parpool?
Answering my own question after some more googling and doc search. I am not 100% sure but I think the right answer is: no, this ...
Can I share a copy of a CONSTANT large array between workers of a parpool?
Answering my own question after some more googling and doc search. I am not 100% sure but I think the right answer is: no, this ...
9 years 前 | 1
| 已接受
提问
Can I share a copy of a CONSTANT large array between workers of a parpool?
I have an N-by-N array, |data|, of _constant_ data that needs to be accessed by each worker of a parallel pool in a |parfor| loo...
9 years 前 | 2 个回答 | 1
2
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Can an object with a `Transient` property be used in a parfor loop?
In a class I am using a private property |A|, an |NxN| matrix, to store data that is expensive to compute and may be used many t...
9 years 前 | 1 个回答 | 0
1
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How bad is the performance of run time introspection?
From the doc <https://www.mathworks.com/help/matlab/matlab_prog/techniques-for-improving-performance.html (Techniques for improv...
9 years 前 | 1 个回答 | 1
1
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is interp1(x, v, x(k), mtd) == v(k) always true?
is interp1(x, v, x(k), mtd) == v(k) always true or does it depend on method and/or type of x and v? Followup: is the an...
9 years 前 | 1 个回答 | 0
1
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Does the access method of a dependent property get called twice when the property is indexed into?
Confirmed Walter's comment. Indeed the culprit is the keyword end. Here is minimal working example. classdef Untitled ...
Does the access method of a dependent property get called twice when the property is indexed into?
Confirmed Walter's comment. Indeed the culprit is the keyword end. Here is minimal working example. classdef Untitled ...
10 years 前 | 0
| 已接受
提问
Does the access method of a dependent property get called twice when the property is indexed into?
I have a class with a dependent property z. The method get.z(obj) returns a vector. This: y = myObj.z(end); appears to c...
10 years 前 | 1 个回答 | 0
1
个回答已解决
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
10 years 前
提问
How to make published html look as good as the blogs on MATLAB Central?
Check out any of the posts on Cleve's Corner, for example <http://blogs.mathworks.com/cleve/2016/06/09/math-and-music/ this one>...
10 years 前 | 1 个回答 | 1
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个回答提问
Fastest alternative to |y = ones(size(x))| ?
The profiler red flagged this line, in a small function that is called by an inner-loop computation: ... if n == 0 ...
10 years 前 | 2 个回答 | 0
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个回答提问
What test is validateattributes() using to check for attributes 'positive' or 'nonnegative' ? (possible bug)
Suppose a class MyClass with overloaded operators for comparison with numeric values. In other words, I can call obj = MyCl...
11 years 前 | 1 个回答 | 0
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How to make user-defined type pass as numeric?
Suppose I have a defined type that behaves like a number. I would like it to pass the test: validateattributes(x, {'numeric...
11 years 前 | 1 个回答 | 1
1
个回答提问
Can webread(url) be used to read a file?
url = 'file:///c:/filename'; raw = webread(url); fails complaining that the file:// protocol is not supported. Can it be...
11 years 前 | 0 个回答 | 1
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个回答提问
Is it possible to disable datatips in the debugger?
It's a useful feature but unfortunately it causes my screen to flicker and change resolution. Until this bug is resolved (if eve...
11 years 前 | 0 个回答 | 0
0
个回答已提交
sexy
Display a symbolic expression in a human readable form. Extension of the built-in pretty function.
14 years 前 | 1 次下载 |
提问
How does "warm-up" overhead scale with data size or iteration count?
Everyone knows that when an M-file is run the first time in a Matlab session it runs much slower than the following next runs. T...
14 years 前 | 1 个回答 | 3
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个回答提问
Can MATLAB tell me which gpu device is the one connected to the display?
For example, with a GTX590, I have two gpu devices to choose from. Now my theory is that for CUDA kernel performance it might be...
14 years 前 | 4 个回答 | 1
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
14 years 前
已解决
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
14 years 前
已解决
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
14 years 前
