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farfar


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how to fix the ticks in a colormap
I figured this out actually: the ticks should be between (0,1) to work: colormap([0 0 1; 0 1 1;0 1 0; 1 0 0;1 1 0]) color...

6 years 前 | 1

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how to fix the ticks in a colormap
Hello I need to fix the color map inside my figure: That the colors I assigned to the figures: colormap([0 0 1; 0 1 1;0 1 0;...

6 years 前 | 1 个回答 | 1

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making some change inside of the legend box
Hello I have assigned color to my figures. legend box includes info about what color covers what range of data. when i change...

6 years 前 | 1 个回答 | 0

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reading text and number from excel
Hello I have this big excel file incuding text and numbers. when I use t= xlsread('table.xlsx'); it removes the columns with...

6 years 前 | 0 个回答 | 0

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how to group a matrix using quartile
Hello assume I have a matrix : a=[1 0.2;2 0.1;3 0.0002;4 2;5 1;6 0.00004;7 3;8 1.5;9 4] b=a(:,2) c = sort(...

6 years 前 | 1 个回答 | 0

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how to divide a matrix into groups
Hello I have a matrix lets say with 12by1. A=[0;0.2;0.25;0.3;1;1.5;4;4.75;5;6;9;10] how can i group this matrix into 3 e...

6 years 前 | 1 个回答 | 0

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why the prediction of neural network is wrong?
Hi I have a matrix of input data (1X1006) and a 1X1006 target matrix. I trained the network and it gave me the regression lin...

6 years 前 | 1 个回答 | 0

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how to take out a specific row out of matrix
Hello I have this matrix : a = [john 2016;john 2015;mike 2016;leo 2018] I only need information from 2016 in second col...

6 years 前 | 1 个回答 | 0

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how to extract a certain row out of a matrix
Hello How can I extract a certain rows out of a matrix ? for example: a=[2 2;2 2;2 2;1 1;0 1;0 1;0 1] I want to extr...

6 years 前 | 1 个回答 | 0

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fitting a uitable in a subplot
Hello I am trying to have a subplot including a uitable. I found one answer from mathworks for creating uitable and I am usin...

6 years 前 | 0 个回答 | 0

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removing rows in big data
Hello I have a big matrix with two columns, for example :[380 1;381 2;382 3;383 4;384 2;385 1;..]. I want to generate a new m...

6 years 前 | 1 个回答 | 0

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how to plot a color-coded matrix
Hello I have a matrix of data including 3 column,for example: a=[1 0 3;1 1 4;1 2 4;1 3 5] x=a(:,1);y=a(:,2);z=a(...

6 years 前 | 1 个回答 | 0

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已回答
how to assign multiple values on a signle figure?
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7 years 前 | 0

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how to assign multiple values on a signle figure?
Hello I have a matrix with three column and many rows (a=[x,y,z]) (x, y are pixels location and z is the value). I draw a figu...

7 years 前 | 2 个回答 | 0

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how to draw a 3d plot with different color?
Hi I want to assign different color to the specific values in a 3D plot. for example: I have x=[1;2;4;3] y=[1;2;3;4] z=[0.1;0...

7 years 前 | 1 个回答 | 0

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how to predict from a trained neural network ?
Hello I am trying to use neural network to make some prediction based on my input and target data. I have read all related tuto...

7 years 前 | 2 个回答 | 0

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how can i subtract the elements in a coloumn ?
hello for example, I have : a=[380 0;381 1;382 2;383 3;383 4;383 5;384 6] I want to go into first column and do this : (3...

7 years 前 | 2 个回答 | 0

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how to extract another matrix out of a big matrix
Hello I have a big matrix including many rows and 2 columns. first column is the wavelengths. I need to extract another matrix...

7 years 前 | 2 个回答 | 0

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how to draw a bar chart with max and min
hello all I have a set of data including max, mean and min values. how can I present them in one chart like attached? I tried e...

7 years 前 | 2 个回答 | 0

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how to extract photometric data from images
Hello I have some confusions about extracting data from images and I know lots of image processing experts are in here. I would...

7 years 前 | 0 个回答 | 0

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how to get confidence interval
Hi how can I get Confidence interval for regression parameter in matlab ? Thanks

7 years 前 | 1 个回答 | 0

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how to get residual for regression
Hello I have one question about regression residual. when I obtain the regression , I use : err = immse(X,Y) to get the error. ...

7 years 前 | 0 个回答 | 0

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how to plot residual and fitting curve
Hi I have two set of data (a,b). a=[6.91 8.26 2.21 1.19 2.32 8.41 7.3 4.32 2 3.42 3.21 7.54 8.72 2.38 3.1 8.18 5.47 1.27 6....

7 years 前 | 1 个回答 | 0

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how to get a function equation
Hello every one I have two sets of data which have nonlinear relationship, it looks like Gaussian distribution according to the ...

7 years 前 | 0 个回答 | 0

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wilcoxon test for two sample
hi everybody Is it possible to do a signed rank wilcoxon test for two sample with different sizes ? x=[331 308 300 414 253...

7 years 前 | 1 个回答 | 0

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how to test a hypothesis with t-test or p value
Hello I am testing the null hypothesis mu=3.4 against mu>3.4, for a sample of size 9. I want to test this with both t-distributi...

7 years 前 | 1 个回答 | 1

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how to remove specific rows of columns
Hey everyone. I have one matrix [a] with 5 columns. i am removing some rows of b=a(:,4) based on some threshold, and then I need...

8 years 前 | 1 个回答 | 0

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how to remove outliers of a data list
Hello everyone I have a set of data and I am trying to remove the outlires. I used to do it by excel with finding Q1,.. and the...

8 years 前 | 1 个回答 | 0

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how to plot a quadrangle
Hi everybody does anyone know how I can plot a quadrangle with four set points of (x,y) like : (0.4464,0.4234), (0.4180,0.4116)...

8 years 前 | 1 个回答 | 0

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how to get the equation of lsline
hi. I have two set of data and I want to get the linear regression. after plotting the data, im using lsline to obtain the regre...

8 years 前 | 2 个回答 | 0

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