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David C


Michigan

自 2011 起处于活动状态

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

8 years 前 | 1 个回答 | 1

1

个回答

提问


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 years 前 | 1 个回答 | 0

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提问


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(...

8 years 前 | 2 个回答 | 0

2

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 0 个回答 | 1

0

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提问


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 years 前 | 1 个回答 | 1

1

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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 years 前 | 1 个回答 | 0

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提问


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

9 years 前 | 1 个回答 | 0

1

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提问


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 years 前 | 1 个回答 | 0

1

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提问


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 years 前 | 1 个回答 | 0

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提问


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...

10 years 前 | 3 个回答 | 0

3

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提问


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 years 前 | 1 个回答 | 1

1

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提问


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 years 前 | 3 个回答 | 2

3

个回答

提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 1 个回答 | 1

1

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提问


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...

12 years 前 | 2 个回答 | 0

2

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 2 个回答 | 0

2

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提问


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 years 前 | 1 个回答 | 0

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提问


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 years 前 | 1 个回答 | 0

1

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提问


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...

13 years 前 | 6 个回答 | 1

6

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