Difference between revisions of "LibreOffice-Suite-Math-6.3/C2/Matrices-and-Aligning-equations/English"
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− | '''Keywords: Libreoffice Math, Libreoffice Writer, Matrices, equations, align, format, addition, equations, multiplication, video tutorial'''. | + | '''Keywords: Libreoffice Math, Libreoffice Writer, Matrices, equations, align, format, addition, equations, multiplication, spoken tutorial, video tutorial'''. |
Line 12: | Line 12: | ||
|| '''Slide:Title Slide''' | || '''Slide:Title Slide''' | ||
− | || Welcome to | + | || Welcome to this spoken tutorial on '''Matrices and Aligning Equations'''. |
|- | |- | ||
|| '''Slide''': | || '''Slide''': | ||
Line 19: | Line 19: | ||
|| In this tutorial, we will learn how to: | || In this tutorial, we will learn how to: | ||
* Write a '''matrix''' | * Write a '''matrix''' | ||
− | * '''Format '''the '''matrices | + | * '''Format '''the '''matrices''' |
* '''Align '''the '''equations''' | * '''Align '''the '''equations''' | ||
|- | |- | ||
Line 46: | Line 46: | ||
'''Code Files''' | '''Code Files''' | ||
|| | || | ||
− | * The files used in this tutorial are provided in the''' Code files''' link. | + | * The files used in this tutorial are provided in the ''' Code files''' link. |
* Please download and extract the files. | * Please download and extract the files. | ||
* Make a copy and use them for practising. | * Make a copy and use them for practising. | ||
Line 52: | Line 52: | ||
|- | |- | ||
|| Open the '''MathExample1.odt ''' | || Open the '''MathExample1.odt ''' | ||
− | || Let us first open the '''MathExample1.odt '''file. | + | || Let us first open the '''MathExample1.odt ''' file. |
|- | |- | ||
|| '''Pause '''in each page for a few seconds. | || '''Pause '''in each page for a few seconds. | ||
Line 60: | Line 60: | ||
Press '''Ctrl + Enter,''' to go to a new page. | Press '''Ctrl + Enter,''' to go to a new page. | ||
− | || Notice all the previous example '''formulae '''which we had written using '''Math'''. | + | || Notice all the previous example '''formulae ''' which we had written using '''Math'''. |
− | Press '''Ctrl '''and '''Enter | + | Press '''Ctrl '''and '''Enter''' keys to go to a new page. |
|- | |- | ||
||Type '''Matrices and Aligning Equations''' | ||Type '''Matrices and Aligning Equations''' | ||
||On the new page, type '''Matrices and Aligning Equations'''. | ||On the new page, type '''Matrices and Aligning Equations'''. | ||
− | |||
|- | |- | ||
Line 78: | Line 77: | ||
− | '''Insert''' menu and select '''Object | + | Click on the '''Insert''' menu and select '''Object'''. |
− | From the | + | From the sub-menu, select '''Formula''' option. |
|- | |- | ||
||Click on '''Format''' >> Select '''Font size'''. | ||Click on '''Format''' >> Select '''Font size'''. | ||
Line 98: | Line 97: | ||
− | || | + | || Now let us now see what a''' matrix''' is? |
'''Matrix ''' is a rectangular '''array '''of numbers or symbols, called '''elements'''. | '''Matrix ''' is a rectangular '''array '''of numbers or symbols, called '''elements'''. | ||
Line 120: | Line 119: | ||
'''A ~=~ ( matrix {a # b # c ## d # e# f } ) newline newline''' | '''A ~=~ ( matrix {a # b # c ## d # e# f } ) newline newline''' | ||
|| This is a '''matrix markup''' for a''' 2 by 3 matrix'''. | || This is a '''matrix markup''' for a''' 2 by 3 matrix'''. | ||
+ | |||
+ | |||
+ | This '''matrix '''has''' 2 rows''' and '''3 columns.''' | ||
|- | |- | ||
|| '''Highlight in Formula Editor'''. | || '''Highlight in Formula Editor'''. | ||
Line 136: | Line 138: | ||
Point mouse over '''( '''and ''') ''' in '''Writer ''' gray box | Point mouse over '''( '''and ''') ''' in '''Writer ''' gray box | ||
− | || | + | ||We have used the '''matrix markup'''. |
− | + | ||
− | + | ||
− | + | ||
We have included its '''elements''' in curly brackets. | We have included its '''elements''' in curly brackets. | ||
Line 150: | Line 149: | ||
− | '''Parentheses '''are used to enclose the elements of a '''matrix'''. | + | '''Parentheses ''' are used to enclose the elements of a '''matrix'''. |
|- | |- | ||
|| Point to the '''Parentheses.''' | || Point to the '''Parentheses.''' | ||
Line 160: | Line 159: | ||
|| Notice that the '''parentheses ''' are short. | || Notice that the '''parentheses ''' are short. | ||
− | They do not enclose all the '''elements '''of the '''matrix'''. | + | They do not enclose all the '''elements ''' of the '''matrix'''. |
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− | Hence are not ''' scalable''' to the size of the '''matrix'''. | + | Hence they are not ''' scalable''' to the size of the '''matrix'''. |
|- | |- | ||
||Point to the '''elements''' and parentheses. | ||Point to the '''elements''' and parentheses. | ||
Line 179: | Line 178: | ||
|- | |- | ||
||Point to the '''Writer''' gray box | ||Point to the '''Writer''' gray box | ||
− | ||Notice that '''parentheses''' have enclosed all the '''elements'''. | + | ||Notice that '''parentheses''' have now enclosed all the '''elements'''. |
|- | |- | ||
||'''Highlight in Formula Editor'''. | ||'''Highlight in Formula Editor'''. | ||
Line 195: | Line 194: | ||
− | The '''markup''' for a '''4 by 1 | + | The '''markup''' for a '''4 by 1 matrix''' is shown in the '''formula editor'''. |
− | This is a '''4 by 1 matrix''' in the''' preview '''area. | + | This is a '''4 by 1 matrix''' in the''' preview ''' area. |
|- | |- | ||
||Point to the '''Writer''' gray box | ||Point to the '''Writer''' gray box | ||
Line 210: | Line 209: | ||
In '''Formula Editor Window''', Point mouse over last line. | In '''Formula Editor Window''', Point mouse over last line. | ||
− | ||Here we can also use''' square brackets''' instead of '''parentheses'''. | + | ||Here we can also use ''' square brackets''' instead of '''parentheses'''. |
− | We can write '''matrices '''of any dimension using the '''matrix markup'''. | + | We can write '''matrices ''' of any dimension using the '''matrix markup'''. |
|- | |- | ||
|| '''Highlight in Formula editor.''' | || '''Highlight in Formula editor.''' | ||
Line 219: | Line 218: | ||
Press '''Enter''' twice | Press '''Enter''' twice | ||
− | || | + | || Let us now write an example for '''matrix addition.''' |
− | Press the '''Enter '''key twice to add two blank lines. | + | Press the '''Enter ''' key twice to add two blank lines. |
|- | |- | ||
||Copy and paste: | ||Copy and paste: | ||
Line 247: | Line 246: | ||
− | Click between the two '''matrices '''and add a plus sign with a '''blank format'''. | + | Click between the two '''matrices ''' and add a plus sign with a '''blank format'''. |
|- | |- | ||
|| Type''' ~=~ '''at the end of the last line. | || Type''' ~=~ '''at the end of the last line. | ||
− | || Next let us add an ‘'''equal to'''’ symbol at the end with a '''blank format | + | || Next let us add an ‘'''equal to'''’ symbol at the end with a '''blank format'''. |
|- | |- | ||
|| Copy and paste at the end: | || Copy and paste at the end: | ||
Line 267: | Line 266: | ||
|- | |- | ||
|| Click '''Save icon '''on '''Standard ''' toolbar. | || Click '''Save icon '''on '''Standard ''' toolbar. | ||
− | || Let us save the file | + | || Let us now save the file. |
|- | |- | ||
|| Copy and paste: | || Copy and paste: | ||
Line 274: | Line 273: | ||
'''4 times Left( matrix {%alpha # %beta # %gamma ## %theta # %eta # %mu } Right) ''' | '''4 times Left( matrix {%alpha # %beta # %gamma ## %theta # %eta # %mu } Right) ''' | ||
− | || Next, let us see an example of multiplying a '''matrix '''with a number. | + | || Next, let us see an example of multiplying a '''matrix ''' with a number. |
Line 284: | Line 283: | ||
|- | |- | ||
|| Type''' ~=~''' at the end. | || Type''' ~=~''' at the end. | ||
− | || Let us write the ‘'''equal to'''’ symbol at the end with a '''blank space | + | || Let us write the ‘'''equal to'''’ symbol at the end with a '''blank space'''. |
|- | |- | ||
|| Copy and paste at the end: | || Copy and paste at the end: | ||
Line 301: | Line 300: | ||
− | '''Click '''on the '''Format '''menu. | + | '''Click '''on the '''Format ''' menu. |
Line 348: | Line 347: | ||
|| Pause the video and do this assignment. | || Pause the video and do this assignment. | ||
− | * Open '''Math-assignment.odt '''file. | + | * Open '''Math-assignment.odt ''' file. |
− | * Write steps to multiply a '''2x3 matrix''' by a''' 3x1 matrix'''. | + | * Write steps to multiply a '''2x3 matrix''' by a ''' 3x1 matrix'''. |
− | * Use formatting options to change the '''fonts''', '''font sizes '''and '''spacing'''. | + | * Use formatting options to change the '''fonts''', '''font sizes ''' and '''spacing'''. |
|- | |- | ||
|| Only narration | || Only narration | ||
− | || Now, we will use '''matrices '''to write '''simultaneous '''equations and '''align '''them. | + | || Now, we will use '''matrices ''' to write '''simultaneous ''' equations and '''align ''' them. |
|- | |- | ||
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− | '''Insert''' menu and select '''Object | + | Click on the '''Insert''' menu and select '''Object'''. |
From the submenu, select '''Formula'''. | From the submenu, select '''Formula'''. | ||
Line 389: | Line 388: | ||
'''x+y=6 newline newline''' | '''x+y=6 newline newline''' | ||
− | || Let us now write a set of '''Simultaneous '''equations as shown on the screen. | + | || Let us now write a set of '''Simultaneous ''' equations as shown on the screen. |
Line 399: | Line 398: | ||
Point mouse over '''2x''', point over '''y''', point over '''<nowiki>=</nowiki>'''. | Point mouse over '''2x''', point over '''y''', point over '''<nowiki>=</nowiki>'''. | ||
− | || Notice that they are not '''aligned '''at the '''plus sign '''and''' equal to '''character. | + | || Notice that they are not '''aligned '''at the '''plus sign '''and''' equal to ''' character. |
Line 409: | Line 408: | ||
Here, '''2x''', '''y''', '''plus''' sign and '''equal to''' are different parts of the equation. | Here, '''2x''', '''y''', '''plus''' sign and '''equal to''' are different parts of the equation. | ||
+ | |||
+ | |- | ||
+ | ||Press '''Enter''' | ||
+ | || Press '''Enter''' key. | ||
|- | |- | ||
|| In '''Formula Editor''' Window, Press Enter, twice, copy and paste: | || In '''Formula Editor''' Window, Press Enter, twice, copy and paste: | ||
Line 423: | Line 426: | ||
Point mouse over '''<nowiki>## </nowiki>''' symbol | Point mouse over '''<nowiki>## </nowiki>''' symbol | ||
+ | ||This is a new set of '''matrix markup'''. | ||
− | + | Here alignment at the '''plus sign ''' and ''' equal to sign ''' is done using the curly brackets. | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | Here alignment at the '''plus sign '''and''' equal to sign '''is done using the curly brackets. | + | |
Also note that a '''hash ''' symbol is used to separate each element of this equation. | Also note that a '''hash ''' symbol is used to separate each element of this equation. | ||
− | We have used two ''' hash '''symbols to separate the equations. | + | We have used two ''' hash ''' symbols to separate the equations. |
|- | |- | ||
||In the '''Writer''' gray box | ||In the '''Writer''' gray box | ||
− | ||This is a perfectly '''aligned '''set of equations. | + | ||This is a perfectly '''aligned ''' set of equations. |
+ | |- | ||
+ | || | ||
+ | || Let us write another set of equations. | ||
+ | |||
|- | |- | ||
|| In '''Formula Editor''' Window,, press '''Enter''' twice, copy and paste: | || In '''Formula Editor''' Window,, press '''Enter''' twice, copy and paste: | ||
Line 452: | Line 454: | ||
Point mouse over last formula in the '''Writer '''gray box | Point mouse over last formula in the '''Writer '''gray box | ||
− | || | + | ||Notice the equations on the screen. |
− | + | ||
− | + | ||
− | Notice the equations | + | |
− | Note that LHS ad RHS do not | + | Note that LHS ad RHS do not show equal number of parts. |
Line 480: | Line 479: | ||
|- | |- | ||
|| Point to the equatios. | || Point to the equatios. | ||
− | || Here we have used '''alignr '''and '''alignl '''to align the parts. | + | || Here we have used '''alignr ''' and '''alignl ''' to align the parts. |
− | Note that the set of equations | + | Note that the set of equations are '''aligned ''' to right and left of the '''equal to''' sign. |
|- | |- | ||
|| '''Ctrl + S''' | || '''Ctrl + S''' | ||
− | || Let us save the changes. | + | || Let us now save the changes. |
|- | |- | ||
|| Narration only: | || Narration only: | ||
− | || With this we | + | || With this we come to the end of this tutorial. |
Line 501: | Line 500: | ||
|| In this tutorial we have learnt how to: | || In this tutorial we have learnt how to: | ||
* Write a '''matrix''' | * Write a '''matrix''' | ||
− | * '''Format ''' the '''matrices | + | * '''Format ''' the '''matrices''' and |
* '''Align '''the '''equations''' | * '''Align '''the '''equations''' | ||
Line 512: | Line 511: | ||
* Open '''Math-assignment.odt ''' file. | * Open '''Math-assignment.odt ''' file. | ||
* Write a set of three equations. | * Write a set of three equations. | ||
− | * Align the '''equations''' at the plus or minus signs and '''equal to '''character. | + | * Align the '''equations''' at the plus or minus signs and '''equal to ''' character. |
|- | |- | ||
Line 528: | Line 527: | ||
|| | || | ||
− | * We conduct workshops using '''spoken | + | * We conduct workshops using '''spoken tutorials''' and give certificates. |
* For more details, please contact us. | * For more details, please contact us. | ||
Line 540: | Line 539: | ||
'''Acknowledgement''' | '''Acknowledgement''' | ||
− | ||The''' Spoken''' '''Tutorial''' project is funded by the | + | ||The''' Spoken''' '''Tutorial''' project is funded by the '''Ministry of Education''', Govt. of India. |
|- | |- | ||
|| '''Slide: Thank you''' | || '''Slide: Thank you''' | ||
Line 547: | Line 546: | ||
|| This tutorial was originally contributed by DesiCrew Solutions Pvt. Ltd. in 2011 | || This tutorial was originally contributed by DesiCrew Solutions Pvt. Ltd. in 2011 | ||
− | This is Madhuri Ganapathi along with the Spoken Tutorial team from '''IIT Bombay | + | This is Madhuri Ganapathi along with the Spoken Tutorial team from '''IIT Bombay'''. |
Thank you for watching. | Thank you for watching. | ||
|- | |- | ||
|} | |} |
Latest revision as of 12:58, 8 September 2022
Title: Matrices and Aligning Equations
Keywords: Libreoffice Math, Libreoffice Writer, Matrices, equations, align, format, addition, equations, multiplication, spoken tutorial, video tutorial.
Visual Cue | Narration |
Slide:Title Slide | Welcome to this spoken tutorial on Matrices and Aligning Equations. |
Slide:
Learning Objectives |
In this tutorial, we will learn how to:
|
Slide:
System Requirements |
This tutorial is recorded using:
|
Slide:
Prerequisites https:\\spoken-tutorial.org |
To follow this tutorial, learner should be familiar with Math interface.
|
Slide:
Code Files |
|
Open the MathExample1.odt | Let us first open the MathExample1.odt file. |
Pause in each page for a few seconds.
Scroll to the next page and repeat.
|
Notice all the previous example formulae which we had written using Math.
|
Type Matrices and Aligning Equations | On the new page, type Matrices and Aligning Equations. |
Insert menu >> select Object.
From the submenu >> select Formula option.
|
Now let us call the Math application inside Writer.
From the sub-menu, select Formula option. |
Click on Format >> Select Font size.
In the Font sizes dialog box change the Base Size to 18 pt. Click OK button Click on Format >> Select Alignment >> Click Left option. Click OK button |
Let us change the font size to 18 point and alignment to Left. |
Slide:
Matrix
|
Now let us now see what a matrix is?
Matrix is a rectangular array of numbers or symbols, called elements.
|
Show the text editor with examples. | I have written a few examples of matrices in a text editor.
I will copy and paste them to save time. |
Highlight in Formula Editor.
"Example of a 2x3 Matrix:" newline newline A ~=~ ( matrix {a # b # c ## d # e# f } ) newline newline |
This is a matrix markup for a 2 by 3 matrix.
|
Highlight in Formula Editor.
Point mouse over matrix word.
|
We have used the matrix markup.
We have included its elements in curly brackets.
|
Point to the Parentheses.
Point to the elements.
|
Notice that the parentheses are short.
They do not enclose all the elements of the matrix.
|
Point to the elements and parentheses.
Type Left just before ( character and Right before ) character in the formula |
To make the parentheses scalable, we will use Left and Right keywords.
Type Right before closing the parenthesis. |
Point to the Writer gray box | Notice that parentheses have now enclosed all the elements. |
Highlight in Formula Editor.
"Example of 4x1 Matrix: " newline newline B ~=~ Left ( matrix {1##2##3##4} Right ) newline newline
|
Next we will see another example matrix.
|
Point to the Writer gray box | Notice that parentheses have enclosed all the elements. |
Change () to [ ]
B ~=~ Left [ matrix {1##2##3##4} Right ] newline newline
|
Here we can also use square brackets instead of parentheses.
|
Highlight in Formula editor.
|
Let us now write an example for matrix addition.
|
Copy and paste:
"Example of 2x3 Matrix Addition:" newline newline Left( matrix {a # b # c ## d # e# f } Right) Left( matrix {%alpha # %beta # %gamma ## %theta # %eta # %mu } Right) |
Let us write two 2 by 3 matrices one beside the other as shown on the screen.
|
Click in between the gap of these two matrices.
Type ~+~ in between these two matrices
|
Next, let us add a plus sign in between the two matrices to denote addition.
|
Type ~=~ at the end of the last line. | Next let us add an ‘equal to’ symbol at the end with a blank format. |
Copy and paste at the end:
Left( matrix {a+%alpha # b+%beta # c+%gamma ## d+%theta # e+%eta # f+%mu } Right) newline newline
|
The third matrix on the right denotes the addition.
|
Click Save icon on Standard toolbar. | Let us now save the file. |
Copy and paste:
"Example of Matrix Multiplication with a number: " newline newline 4 times Left( matrix {%alpha # %beta # %gamma ## %theta # %eta # %mu } Right) |
Next, let us see an example of multiplying a matrix with a number.
|
Type ~=~ at the end. | Let us write the ‘equal to’ symbol at the end with a blank space. |
Copy and paste at the end:
Left( matrix {4%alpha # 4%beta # 4%gamma ## 4%theta # 4%eta # 4%mu } Right) newline newline newline
|
This is the markup for the matrix product.
|
Click on Format, and point on the sub menu slowly one by one. | Now, we will format the matrices.
|
Click on the Spacing option.
Line Spacing field 3% Column spacing field 30%
|
Let us choose the Spacing option.
Spacing dialog box opens. |
Click on the Category drop down at the bottom, and choose Matrices
Change Line spacing to 20%, Column spacing to 40%
|
In the Category drop down, let us choose Matrices.
|
Point in the Writer gray box | Notice that the matrices and their elements are properly spaced. |
Slide:
Assignment |
Pause the video and do this assignment.
|
Only narration | Now, we will use matrices to write simultaneous equations and align them. |
Press Ctrl and Enter keys. | Press Ctrl and Enter keys to go to a new page. |
Insert menu >> select Object.
From the submenu >> select Formula option.
|
Let us open the Math application.
From the submenu, select Formula. |
Click on Format >> Select Font size.
In the Font sizes dialog box change the Base Size to 18 pt. Click OK button |
Let us change the font size to 18 point. |
In Formula Editor Window, press Enter, key twice,
Copy and paste: "Simultaneous Equations: " newline newline 2x+y = 8 newline x+y=6 newline newline |
Let us now write a set of Simultaneous equations as shown on the screen.
|
Point mouse over the last formula Write Gray box
|
Notice that they are not aligned at the plus sign and equal to character.
|
Press Enter | Press Enter key. |
In Formula Editor Window, Press Enter, twice, copy and paste:
matrix { 2x # {}+{} # y # {}={} # 8 ## x # {}+{} # y # {}={} # 6 }
|
This is a new set of matrix markup.
Also note that a hash symbol is used to separate each element of this equation.
|
In the Writer gray box | This is a perfectly aligned set of equations. |
Let us write another set of equations. | |
In Formula Editor Window,, press Enter twice, copy and paste:
newline newline x+y=2 newline x=2-y newline newline
|
Notice the equations on the screen.
|
In Formula editor window, press Enter, twice, copy and paste:
matrix{ alignr x+y # {}={} # alignl 2 ## alignr x # {}={} # alignl 2-y }
|
Let us write the matrix markup to align them.
|
Point to the equatios. | Here we have used alignr and alignl to align the parts.
|
Ctrl + S | Let us now save the changes. |
Narration only: | With this we come to the end of this tutorial.
|
Slide:
Summary |
In this tutorial we have learnt how to:
|
Slide:
Assignment |
Here is an assignment for you:
|
Slide:
About Spoken Tutorial Project |
|
Slide:
Spoken tutorial workshops |
|
Slide:
Answers for THIS Spoken Tutorial |
Please post your Timed queries in this forum. |
Slide:
Acknowledgement |
The Spoken Tutorial project is funded by the Ministry of Education, Govt. of India. |
Slide: Thank you
Acknowledgement to DesiCrew |
This tutorial was originally contributed by DesiCrew Solutions Pvt. Ltd. in 2011
This is Madhuri Ganapathi along with the Spoken Tutorial team from IIT Bombay. Thank you for watching. |