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David C


Michigan

2011 年からアクティブ

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質問


ecef2ned vs. ecef2nedv
What is the difference between ecef2ned ( <http://www.mathworks.com/help/map/ref/ecef2ned.html> ) and ecef2nedv ( <http://www.ma...

8年弱 前 | 1 件の回答 | 1

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質問


Vector subtraction from matrix
Let A be a 3 by 5 matrix: A=rand(3,5); v=1:5; How can I add v to each row of A without using a for loop, to impro...

8年弱 前 | 1 件の回答 | 0

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質問


Understanding the Color Matrix Input in surf()
I'm trying to understand this code snippet: [x,y] = meshgrid([-2:.2:2]); Z = x.*exp(-x.^2-y.^2); surf(x,y,Z,gradient(...

約8年 前 | 2 件の回答 | 0

2

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質問


Output of struct.fieldname
"patient" is a 1x3 struct with "billing" being a fieldname. When I issue patient.billing, I get this: >> patient.billing ...

8年以上 前 | 1 件の回答 | 0

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質問


Keyboard shortcut for selecting tools in the Figure window
Is it possible to assign a keyboard shortcut to select the "Pan" tool in the Figure window? <</matlabcentral/answers/uploaded...

8年以上 前 | 0 件の回答 | 1

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質問


textscan trouble: starting file position on re-read
I'm trying to read a data file of integers. The file is formatted as follows: -112-999-999-999-555 -999-999 -777 0 0...

9年弱 前 | 1 件の回答 | 1

1

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質問


Memory Allocation in MATLAB
Two questions on the topic of memory: 1. Do the zeros() and ones() functions allocate memory dynamically? That is, are they s...

9年弱 前 | 1 件の回答 | 0

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質問


angle output vs. atan2 output
Is atan2(Y,X) exactly the same as angle(X+1i*Y)?

約9年 前 | 1 件の回答 | 0

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質問


Interpolation of Data on Different Grids
I have a 2-D data (ocean depth) on a latitude-longitude grid. (That is, the ocean depth is specified at each latitude and longit...

9年以上 前 | 1 件の回答 | 0

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質問


Batch Processing of a Function with Different Arguments
Hello, I read the documentation on batch and diary functions, but I could not find the answer. I have a function, longjob(n),...

9年以上 前 | 1 件の回答 | 0

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質問


Difference between pcolor and contourf
I'm trying to understand what the difference is between pcolor and contourf. If I have a 2D data, stored in variable Z, that I w...

9年以上 前 | 3 件の回答 | 0

3

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質問


Methods in Making a Simple Program More Efficient
Hi, I would like to speed up the execution of my program. It's abbreviated as follows: Definition of myScript.m is as foll...

11年弱 前 | 1 件の回答 | 1

1

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質問


Generate random numbers given distribution/histogram
MATLAB provides built-in functions to generate random numbers with an uniform or Gaussian (normal) distribution. My question is:...

11年以上 前 | 3 件の回答 | 2

3

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質問


Multiple Calls to Functions in Separate MATLAB Sessions
I wrote a function named auto2process(param). I have several MATLAB sessions open on the same machine, and I need to call auto2...

11年以上 前 | 1 件の回答 | 0

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質問


secd vs sec
x=-89.5:0.001:89.5; y=1./secd(x); trapz(x,y) Gives 114 AND x=-pi/2:0.001:pi/2; y=1./sec(x); trapz(x,y) Gives 2 Wh...

12年弱 前 | 1 件の回答 | 1

1

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質問


Filling Plot Area, Adding Ticks in Mapping with Projections
Hi, I'm using pcolorm (of the Mapping Toolbox) with the miller projection to create a global map: figure(2) axesm mil...

約12年 前 | 2 件の回答 | 0

2

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質問


Using quad or quad2d to evalute a 1-D integral of 2-D function
Hi, I'm trying to evaluate a 1-D integral (single integral, not double integral). The integrand happens to be a function that...

12年以上 前 | 1 件の回答 | 0

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質問


plotyyy
Hi, I'm trying to plot a couple variables on the same 2-D graph, and 3 separate scales are needed (there are 3 types of varia...

12年以上 前 | 2 件の回答 | 0

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質問


bitget() and MSB/LSB
Hi, I would like to clarify the functionality of bitget(). In the documentation, it is noted that "The output of bitget is in...

12年以上 前 | 1 件の回答 | 0

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質問


Bar graph start value
Hi, The bar command always draw bars starting from 0. If the value to plot is positive, the bar extends upwards from 0, and i...

12年以上 前 | 1 件の回答 | 0

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質問


Get next plot color
When using the function plot with hold set to 'all', each call to plot uses the successive entry in the ColorOrder property of t...

12年以上 前 | 6 件の回答 | 1

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回答