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How to add superscript on summation symbol

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0

I'd like to add superscript on summation symbol, but I get an error message: Please, use mathaccent for accents in math mode. I can't use ^ symbol to add superscript.

Here is the code:

beginequation
 y & = beta_0+sumˆ2_j=1beta_jX_j+sumsum_i<jbeta_ijX_iXj+sum_j=1beta_jjX_jtextsuperscript2
 labelequation1
endequation

symbols

share|improve this question

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SX! It's not at all clear where the superscript is meant to go. Besides, textsuperscript is not valid in math mode. And the & is out of place.
  
  – egreg
  6 mins ago
  

  
  
  
  

add a comment | 

0

I'd like to add superscript on summation symbol, but I get an error message: Please, use mathaccent for accents in math mode. I can't use ^ symbol to add superscript.

Here is the code:

beginequation
 y & = beta_0+sumˆ2_j=1beta_jX_j+sumsum_i<jbeta_ijX_iXj+sum_j=1beta_jjX_jtextsuperscript2
 labelequation1
endequation

symbols

share|improve this question

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SX! It's not at all clear where the superscript is meant to go. Besides, textsuperscript is not valid in math mode. And the & is out of place.
  
  – egreg
  6 mins ago
  

  
  
  
  

add a comment | 

I'd like to add superscript on summation symbol, but I get an error message: Please, use mathaccent for accents in math mode. I can't use ^ symbol to add superscript.

Here is the code:

beginequation
 y & = beta_0+sumˆ2_j=1beta_jX_j+sumsum_i<jbeta_ijX_iXj+sum_j=1beta_jjX_jtextsuperscript2
 labelequation1
endequation

symbols

share|improve this question

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

beginequation
 y & = beta_0+sumˆ2_j=1beta_jX_j+sumsum_i<jbeta_ijX_iXj+sum_j=1beta_jjX_jtextsuperscript2
 labelequation1
endequation

share|improve this question

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 9 mins ago

koleygr

12.4k11038

edited 9 mins ago

koleygr

12.4k11038

asked 10 mins ago

Luciana GuedesLuciana Guedes

1

New contributor

Luciana Guedes is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 10 mins ago

Luciana GuedesLuciana Guedes

1