# Alexandra Roxana

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Question

How to surf very small values keeping the same ratio?

I'm having a solution with very small values and I need to surf it; this is how a part of the solution looks like: I'm also u...

1 year ago | 2 answers | 0

### 2

answersQuestion

Same aspect ratio for the z-axis in a surface plot

I have a surface plot and the x-axis and y-axis have the same ratio. I wish for the z-axis to have the same ratio. I have u...

1 year ago | 1 answer | 0

### 1

answerQuestion

Surf a function with different values

I'm trying to surf a function f that takes 2 values: 1 if (x,y) is in A and 2 if (x,y) is in B. How can I do that? I attach also...

1 year ago | 1 answer | 0

### 1

answerQuestion

Z must be a matrix, not a scalar or vector.

I want to have a 3D plot with a solution vector but I have the error that Z must be a matrix. a=0; b=4; c=0; d=6; g=1; dx...

1 year ago | 1 answer | 0

### 1

answerQuestion

Different tick values on same axis

I want to use xticks using different steps. From a to a+g the step dxs, from a+g to b-g the step dxf and from b-g to b again the...

1 year ago | 2 answers | 0

### 2

answersQuestion

How can I smooth a surf with many spikes?

I'm having problems to smooth a surf for a FEM program. Any help would be much appreciated. I'm leaving the code below: functio...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to smooth surf?

I'm having a surface plot with many spikes. I was wondering what I can do to smooth it. interp2 might be a solution, I guess, bu...

2 years ago | 1 answer | 0

### 1

answerQuestion

Putting measurement unit and origin in plot

On the mesh grid, I would like on the x-axis in the far right end below the last value to put x1 and also the measurement unit, ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Change axis color on parts of the mesh

I would like this plot to have 2 colors on the same surface, meaning: blue between the x values of 1 and 2 and then between 9 an...

2 years ago | 1 answer | 0

### 1

answerQuestion

Subscripted assignment dimension mismatch error

I'm having this error and unfortunately I can't seem to see what's wrong in it. Here are the dimension of the variables: ki=150...

3 years ago | 1 answer | 0

### 1

answer"Data dimensions must agree" Error

Hello! I'm having the same problem. I want to plot the results from the following code: clc clear all alpha = 2; L=50; dx =...

3 years ago | 0