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Jian Wei

MathWorks

Active since 2014

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Answered
change value of inline function during loop for a string function
According to your definitions of fp and f, q and x are the input arguments to these two inline functions. To compute the functio...

7 years ago | 0

Answered
combining matrix rows with repeated elements
If I understand it correctly, you are trying to cluster the vertices in a graph into different groups according to whether they ...

7 years ago | 0

Answered
How to include a spline interpolant in simulink as a function into a block?
1-D Lookup Table block in the Lookup Tables may be what you are looking for. After you open the block parameters dialogue, un...

7 years ago | 2

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Answered
How can I vectorize this loop?
Please try the following code to see if it gives you the same result as your code. ARP = (1/m)*A'*B;

7 years ago | 0

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Answered
How to interpolate the pixel resolution
Please try the following code after you create the new_x_axis and new_y_axis. [x_mesh,y_mesh] = meshgrid(x_axis,y_axis);...

7 years ago | 0

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Answered
fminbnd with function that takes multiple inputs
Given the function vf2 you defined, you can try the following code to find the minimum value of the function vf2 in the interval...

7 years ago | 3

Answered
Exist returning zero when file definitely exists; rehash not working
To find out if there is any JPEG file in the Directory folder, you can use the wildcard character as follows. isempty(dir([...

7 years ago | 1

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Answered
Plot - Problems with background colour
I want to clarify that you can execute the following command before you save the figure so that it can be saved as it is display...

7 years ago | 0

Answered
why the first and second differential is not right after interpolation
Please use the following command to generate the interpolated data. y2 = interp1(t1,y1,t2,'spline'); Using the "spline" ...

7 years ago | 0

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Answered
Intersection of 3 circles with chords present, and arcs removed
Please try executing the attached code to see if it generates the result you need. Generally, you first need to compute the c...

7 years ago | 0

Answered
Plot - Problems with background colour
Please execute the following command before you save the figure in the PNG format. set(gcf, 'InvertHardcopy', 'off'); Th...

7 years ago | 1

Answered
Calculations in table based on variable names
You can try the following. First, define a function in a file named func.m that contains the code below. function [air_out,...

7 years ago | 0

Answered
How to tell whether or not 5 or more lines intersect
After you generate the circle centers and their radii, you can run the following code to find the indices of the iterations that...

7 years ago | 1

| accepted