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Jia Yu


Active since 2018

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Question


Y axis in two 3d plot are not same
i use same data of Y axis(1*196), and i need the range of Y axis is 0 to 100ms, how can i change it? X = zeros(196,1); Y = 0:0...

5 years ago | 1 answer | 0

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answer

Question


how to have a line marking in 3d image?
have done a 3d plot, and want to get a line marking to mark a specific plot? which code can i use?

5 years ago | 1 answer | 0

1

answer

Question


how to set a specific value for x axis in 3d plot?
X = 0:195; X_40 = 40; X_100 = 100; Y = time_ms; Z_40 = data40kA_mm; Z_100 = d; figure plot3(X,Y,Z_40,X,Y,Z_100); i ...

5 years ago | 1 answer | 0

1

answer

Question


how to create a surface plot?
to generate a surface plot where two horizontial axes are time (0:0.51:0.51*195), and lightning current between 0 to 150kA, and ...

5 years ago | 1 answer | 0

1

answer

Question


how to use the 'least square fit'?
i have a function: f(t)=Asin(Bt^C+D)e^(-Et)+F and starting point values: A = -6, B = 1, C = 1, D = 0, E = 0, F = 0. and xda...

5 years ago | 1 answer | 1

1

answer

Question


how to create a black image?
how can i create a black image, not a gray one?

5 years ago | 1 answer | 0

1

answer