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David C


Michigan

Attivo dal 2011

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Domanda


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

quasi 8 anni fa | 1 risposta | 1

1

risposta

Domanda


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...

quasi 8 anni fa | 1 risposta | 0

1

risposta

Domanda


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(...

circa 8 anni fa | 2 risposte | 0

2

risposte

Domanda


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

oltre 8 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 8 anni fa | 0 risposte | 1

0

risposte

Domanda


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...

quasi 9 anni fa | 1 risposta | 1

1

risposta

Domanda


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...

quasi 9 anni fa | 1 risposta | 0

1

risposta

Domanda


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

circa 9 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 9 anni fa | 1 risposta | 0

1

risposta

Domanda


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),...

oltre 9 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 10 anni fa | 3 risposte | 0

3

risposte

Domanda


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...

quasi 11 anni fa | 1 risposta | 1

1

risposta

Domanda


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:...

oltre 11 anni fa | 3 risposte | 2

3

risposte

Domanda


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...

oltre 11 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 12 anni fa | 1 risposta | 1

1

risposta

Domanda


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...

circa 12 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 12 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 13 anni fa | 6 risposte | 1

6

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