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# Jian Wei

### MathWorks

Active since 2014

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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

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

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

| accepted

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

| accepted

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

| accepted

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

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

| accepted

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

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

| accepted

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

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