Matt

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统计学

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Adjusting data points that fit a criteria
Basically for some points say x = 1:1:100; y = x; plot(x,y); how can i for example add 1 for x values between 10 and ...

12 years 前 | 1 个回答 | 0

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Removing repeating data points
Ive got two matrices of different sizes; matrix A is smaller than Matrix B Some of the numbers in Matrix A are in Matrix B i ...

12 years 前 | 1 个回答 | 0

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Using Log in Matlab
Something strange seems to be happening in Matlab and i dont understand why if im calculating a matrix called M, using actual...

12 years 前 | 2 个回答 | 0

2

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Changing the colour of data points on a graph that satisfy a certain criteria
So i basically calculate a probability and for data points that have a probability of say 0.8 i want to change the colour on the...

12 years 前 | 1 个回答 | 0

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Logical Arrays and for statements
My issue is the line commented. To make that line work CNccm needs to be a logical array the size of 2537*357. At the moment i a...

12 years 前 | 1 个回答 | 0

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help with this loop
Ok this is basically the code im trying to run. the basic jist is that it calculates the distance to all other points, then comp...

12 years 前 | 0 个回答 | 0

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help with for statement or looping (Translating fortran 90 to Matlab)
basically my supervisor uses fortran 90 but im using matlab to analyse so he cant really help me but basically he wants me to do...

12 years 前 | 0 个回答 | 0

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Need Help using for and running a loop
Basically i have the following code; for k = 1:357; j = 357:1; hold on %%3D Elipsoid % x0 = j...

12 years 前 | 2 个回答 | 0

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How can i calculate the distance to all data points?
I basically want to start at one data point and then calculate the distance to all the other points. Then i want to select the n...

12 years 前 | 3 个回答 | 0

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How can I calculate the number of data points within the area of a cirle
I am using variable of type double and they are x,y pairs. I need to select data within a certain range. With this selected data...

12 years 前 | 1

提问

How can I calculate the number of data points within the area of a cirle
Basically I need to select a data point within a certain range (which I cant do) then calculate the number of data points withi...

12 years 前 | 5 个回答 | 0

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Nlinfit
Im trying to fit a non linear curve as below; x=areas40{1}(3,:); >> [a,b]=hist(x,30); >> mdl=@(a,b,x)(-a*exp.^-b); >> mdl=...

13 years 前 | 1 个回答 | 0

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