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Question
Extract data from chart picture
hi I have some charts as pictures. I have to extract data automatically in (x, y) format. Because my charts are so long I can...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Digitize a graph automatically
Hi I have some paper graphs and need to extract data in (x, y) format. I scan all graphs to convert them in *.png file format...
plus de 9 ans il y a | 1 réponse | 0
0
réponseA résolu
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
presque 10 ans il y a
A résolu
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
presque 10 ans il y a
A résolu
How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...
presque 10 ans il y a
A résolu
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
presque 10 ans il y a
A résolu
Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
presque 10 ans il y a
A résolu
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
presque 10 ans il y a
A résolu
Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
presque 10 ans il y a
A résolu
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
presque 10 ans il y a
A résolu
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
presque 10 ans il y a
A résolu
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
presque 10 ans il y a
Plotting a surface plot for latitude, longitude and depth
Hi, I think this code solves your problem: function utm_plot(long, lat, altitude) clc close all [X, Y]=mes...
presque 10 ans il y a | 0
Question
Read Data and ignore headerlines
Hi I have a data file in text file format as attached file. It contains some header line and data. I want to read data from fil...
presque 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Calculate distances between data points
Hi I have 6 separated groups(as g1,g2,g3,..., g6) and each of them have some spatial data points as (x,y,z,k) where x,y,z det...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
insert two criteria function to lsqcurvefit
Hi, I have some data points as (X,Y) and I want to use lsqcurvefit function to find the best fit by least square method. My guid...
presque 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
Read colomn data from file
Hi, I have a Unicode file as 'b.txt', contains 39 lines of header and data in other lines. I want to remove header lines and the...
presque 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
Problem in "mbuild -setup" and configuration
Hi, I'm master in VB.Net programming and now, I want to integrate MATLAB in VB.Net by use of my dll files converted from my m-f...
environ 11 ans il y a | 1 réponse | 0
0
réponseconvert Matlb files to DLL files
Dear Walter Would you please explain how we can convert our m-files by hand? I use NET Builder to convert my functions to dll...
environ 11 ans il y a | 0
Question
MATLAB in VB.net interface integration
Hi I'm master in VB.Net and want to use MATLAB abilities and my m-files in vb.net interface. Would you please help me to find...
environ 11 ans il y a | 1 réponse | 0
1
réponsechange nested for to vectorise
Hi everybody. would you please help me to improve my code? Thanks a lot. Mani
environ 11 ans il y a | 0
Question
change nested for to vectorise
Hi I have a 100*100 grid as below: xgrid=1:100; ygrid=1:100; I have 5 data points in this grid(x,y) as below,too: ...
environ 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
remove nested for structure
Hi I have a 100*100 grid as below: xgrid=1:100; ygrid=1:100; I have 5 data points in this grid(x,y) as below,too: ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
problem in vectorize script
Hi I want to improve my script as: a=round(50*rand(5,7)+50); for ii=1 for jj=1 if a(ii,jj)>= ...
environ 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
problem in find correspond values in two matrixes
I have two matrixes, A and B. These are the same size, 7*7. I checked matrix A for values are between min and max values by ...
environ 11 ans il y a | 1 réponse | 0
1
réponseset parameters of nlinfit function
Hi again I'm trying to solve the problem with spherical model fit function, this model has a mathematical formula as below: ...
environ 11 ans il y a | 0
Question
Undefined function 'geoidtst' Error
Hi I use Azimuth function in my project. It worked very good until this afternoon. Now, I try to run my script and I receive ...
environ 11 ans il y a | 3 réponses | 0
3
réponsesQuestion
Search rows of a matrix on another and read data respectively.
Hi I have a data set file with headers as 'LatDegree, LongDegree, LatUTM, LongUTM, Height'. I have a calculated matrix consis...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Remove duplicated rows in a matrix
Hi I have some (x,y) points and it consists of some duplicated values, for example (x3,y3) is duplicated 3 times in data. Ho...
environ 11 ans il y a | 1 réponse | 0
