David C

Michigan

Aktiv seit 2011

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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...

mehr als 9 Jahre vor | 1 Antwort | 1

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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...

mehr als 9 Jahre vor | 1 Antwort | 0

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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(...

fast 10 Jahre vor | 2 Antworten | 0

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

etwa 10 Jahre vor | 1 Antwort | 0

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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...

etwa 10 Jahre vor | 0 Antworten | 1

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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...

mehr als 10 Jahre vor | 1 Antwort | 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...

mehr als 10 Jahre vor | 1 Antwort | 0

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

fast 11 Jahre vor | 1 Antwort | 0

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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...

etwa 11 Jahre vor | 1 Antwort | 0

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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),...

etwa 11 Jahre vor | 1 Antwort | 0

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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...

mehr als 11 Jahre vor | 3 Antworten | 1

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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...

mehr als 12 Jahre vor | 1 Antwort | 1

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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:...

etwa 13 Jahre vor | 3 Antworten | 2

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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...

mehr als 13 Jahre vor | 1 Antwort | 0

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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...

mehr als 13 Jahre vor | 1 Antwort | 1

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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...

fast 14 Jahre vor | 2 Antworten | 0

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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...

etwa 14 Jahre vor | 1 Antwort | 0

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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...

etwa 14 Jahre vor | 2 Antworten | 0

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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...

etwa 14 Jahre vor | 1 Antwort | 0

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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...

mehr als 14 Jahre vor | 1 Antwort | 0

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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...

mehr als 14 Jahre vor | 6 Antworten | 1

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