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Question

Symbolic limit does not perform the calculation

I'm trying to calculate a symbolic limit but, somehow, the calculation is not being performed...it returns the same function. I ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Symbolic summation: how to set this index?

I'm trying to write the following symbolic sum in matlab: However, I can't define the function: T=(a^(mod(j-3,n))+ a^(n-mo...

2 years ago | 1 answer | 0

### 1

answerQuestion

Substituting an expression not giving intended result

I'm trying to simplify the following expression using the subs function. In the code below, I was expecting Asubs = 3*Phi. Any i...

3 years ago | 2 answers | 0

### 2

answersQuestion

Symsum not making the calculation

I'm running the following symsum script: clear all; clc; syms n k S3 = symsum(((2-sqrt(3))^(k-2)+(2-sqrt(3))^(n+2-k)+(...

3 years ago | 1 answer | 0

### 1

answerQuestion

Output formatting for symsum script

I'm running the following symsum script: clear all; clc; syms n j S3 = symsum((2-sqrt(3))^(j-2)+(2-sqrt(3))^(n+2-j)+(2-s...

3 years ago | 1 answer | 0

### 1

answerQuestion

Writing function based on a vector of roots

In the following code, one of lines plotted is a vector of solutions to a nonlinear function (plotted against a parameter). I wa...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to put latex in Xtick label? (Matlab 2015b)

How can I have latex \mu and \mu_2 on the dotted lines Xtick? No other Xtick is necessary. clc; clear all; mu=0...

6 years ago | 1 answer | 0

### 1

answerQuestion

How to change axis style?

How can I change the style of the axis lines? The a portion of the y-axis coincide with the curve being plotted. So I would like...

6 years ago | 1 answer | 0

### 1

answerQuestion

Legend when plot is inside a for loop

I could not get the legend to be right for this plot (which is inside a for loop). Any ideas what might have gone wrong? cl...

6 years ago | 1 answer | 0

### 1

answerQuestion

Horizontal line common to 2 graphs

I have two graphs in two different figures. Is it possible to have them side by side in the same figure with a horizontal line g...

6 years ago | 1 answer | 0

### 1

answerQuestion

LaTeX interpreter on a legend

I want the greek letter on my legend to look like as it does in LaTeX. Here is the code: clc; clear all; phi=...

6 years ago | 1 answer | 0

### 1

answerQuestion

How to adjust figure size when using plotyy?

I'm trying to adjust the figure size when using plotyy: clc; clear all; t = 0:.1:4*pi; y = sin(t); figu...

6 years ago | 0 answers | 0

### 0

answersQuestion

How to change figure size?

I'm trying to change the figure size. In the example below, I expected figure(2) to have a different size. In order to achieve t...

6 years ago | 4 answers | 4

### 4

answersQuestion

How to adjust the legend for a variable number of plots?

In each figure I have a variable number of plots. However, in the legend I have all the plots. For instance, in the very first f...

6 years ago | 1 answer | 0

### 1

answerQuestion

How to avoid a vertical line at discontinuity point?

When I plot a function with discontinuity points, I get a vertical line at such points, as it can be seen in this simple example...

6 years ago | 4 answers | 0

### 4

answersQuestion

Substituting a number for NaN in anonymous function

I'm trying unsuccessfully to substitute a number for NaN in anonymous function. Here it's an example of the problem. Bear with i...

7 years ago | 3 answers | 0

### 3

answersQuestion

Defining anonymous function using an "if" statement

I'm trying to define an anonymous function using an "if" statement. Here is a minimum "not working" example (my code is more con...

7 years ago | 3 answers | 2

### 3

answersQuestion

How to test if each element of a matrix is not a real number?

I am trying substitute for zero each element that is not a real number, without using loops. Here is a mwe: clear all; c...

7 years ago | 1 answer | 0

### 1

answerQuestion

How to plot this function?

I have a function that is "vectorized". I did that because I wanted to have one such function for each value of the parameter "a...

7 years ago | 1 answer | 0

### 1

answerQuestion

Help with anonymous function

I have always used a separate file for all my functions, but it's rather odd to have as many files as mathematical expressions i...

7 years ago | 1 answer | 0