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Question
ecef2ned vs. ecef2nedv
What is the difference between ecef2ned ( <http://www.mathworks.com/help/map/ref/ecef2ned.html> ) and ecef2nedv ( <http://www.ma...
nästan 8 år ago | 1 answer | 1
1
answerQuestion
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...
nästan 8 år ago | 1 answer | 0
1
answerQuestion
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(...
ungefär 8 år ago | 2 answers | 0
2
answersQuestion
Output of struct.fieldname
"patient" is a 1x3 struct with "billing" being a fieldname. When I issue patient.billing, I get this: >> patient.billing ...
mer än 8 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 8 år ago | 0 answers | 1
0
answersQuestion
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...
nästan 9 år ago | 1 answer | 1
1
answerQuestion
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...
nästan 9 år ago | 1 answer | 0
1
answerQuestion
angle output vs. atan2 output
Is atan2(Y,X) exactly the same as angle(X+1i*Y)?
ungefär 9 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 9 år ago | 1 answer | 0
1
answerQuestion
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),...
mer än 9 år ago | 1 answer | 0
1
answerQuestion
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...
nästan 10 år ago | 3 answers | 0
3
answersQuestion
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...
nästan 11 år ago | 1 answer | 1
1
answerQuestion
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:...
mer än 11 år ago | 3 answers | 2
3
answersQuestion
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...
mer än 11 år ago | 1 answer | 0
1
answerQuestion
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...
nästan 12 år ago | 1 answer | 1
1
answerQuestion
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...
ungefär 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
nästan 13 år ago | 6 answers | 1