Difference between revisions of "LibreOffice-Suite-Math/C2/Derivatives-Differential-Equations-Integral-Equations-Logarithms/English-timed"
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− | + | |'''Time''' | |
− | + | |'''Narration''' | |
|- | |- | ||
||00:01 | ||00:01 | ||
− | ||Welcome to the Spoken tutorial on LibreOffice Math. | + | ||Welcome to the '''Spoken tutorial''' on '''LibreOffice Math'''. |
|- | |- | ||
||00:05 | ||00:05 | ||
− | ||In this tutorial, we will learn how to write Derivatives and Differential equations, Integral equations | + | ||In this tutorial, we will learn how to write:'''Derivatives''' and '''Differential equations''', '''Integral equations''' and formulae with '''Logarithm'''s. |
|- | |- | ||
||00:17 | ||00:17 | ||
− | ||For this, let us first open our example Writer document that we created in our previous tutorials | + | ||For this, let us first open our example '''Writer document''' that we created in our previous tutorials- "MathExample1.odt". |
|- | |- | ||
||00:29 | ||00:29 | ||
− | ||Here let us scroll to the last page of the document and press Control Enter to go to a new page. | + | ||Here, let us scroll to the last page of the document and press '''Control, Enter''' to go to a new page. |
|- | |- | ||
||00:37 | ||00:37 | ||
− | ||Now type “Derivatives and Differential Equations: ” and press the Enter key twice. | + | ||Now, type: “Derivatives and Differential Equations: ” and press the '''Enter''' key twice. |
|- | |- | ||
||00:45 | ||00:45 | ||
− | ||Now let us call Math by clicking Insert menu, then Object and then Formula. | + | ||Now, let us call '''Math''' by clicking '''Insert''' menu, then '''Object''' and then '''Formula'''. |
|- | |- | ||
||00:54 | ||00:54 | ||
− | ||Before we go ahead, let us increase the font size to 18 point. | + | ||Before we go ahead, let us increase the font-size to '''18 point'''. |
|- | |- | ||
||01:00 | ||01:00 | ||
− | ||Change the | + | ||Change the '''Alignment''' to the '''Left''' |
|- | |- | ||
||01:03 | ||01:03 | ||
− | ||and add | + | ||and add '''newline'''s and blank lines in between each of our examples for better readability. |
|- | |- | ||
||01:11 | ||01:11 | ||
− | ||Let us now learn how to write | + | ||Let us now learn how to write '''derivatives''' and '''differential equations'''. |
|- | |- | ||
||01:19 | ||01:19 | ||
− | ||Math provides a very easy way of writing these formulae or equations. | + | ||'''Math''' provides a very easy way of writing these formulae or equations. |
|- | |- | ||
||01:25 | ||01:25 | ||
− | ||We just have to treat them like a fraction | + | ||We just have to treat them like a fraction and use the '''mark up''' '''over'''. |
|- | |- | ||
||01:33 | ||01:33 | ||
− | ||For example | + | ||For example- to write a '''total derivative, df by dx''', the '''mark up''' is "df over dx" in the '''Formula Editor Window'''. |
|- | |- | ||
||01:50 | ||01:50 | ||
− | ||Next, for a partial derivative, we can use the word ‘partial’ | + | ||Next, for a '''partial derivative''', we can use the word ‘partial’ and the '''markup''' looks like: '''del f over del x'''. |
|- | |- | ||
||02:02 | ||02:02 | ||
− | ||We have to use the curly brackets when we use the mark up ‘partial’ | + | ||We have to use the curly brackets when we use the mark-up ‘partial’. |
|- | |- | ||
||02:08 | ||02:08 | ||
− | ||Notice the del symbol for partial derivatives in the Writer gray box. | + | ||Notice the 'del' symbol for '''partial derivatives''' in the '''Writer gray box'''. |
|- | |- | ||
Line 73: | Line 73: | ||
|- | |- | ||
||02:21 | ||02:21 | ||
− | ||which describes the relationship between acceleration and force | + | ||which describes the relationship between acceleration and force- |
|- | |- | ||
||02:26 | ||02:26 | ||
− | ||F is equal to m a. | + | ||'''F is equal to m a'''. |
|- | |- | ||
||02:30 | ||02:30 | ||
− | ||This can be written as an ordinary differential equation as:F of t is equal to m into d squared x over d t squared. | + | ||This can be written as an ordinary differential equation as: '''F of t is equal to m into d squared x over d t squared'''. |
|- | |- | ||
||02:45 | ||02:45 | ||
− | ||Notice that we have used various sets of curly brackets to state the order of operation | + | ||Notice that we have used various sets of curly brackets to state the order of operation |
|- | |- | ||
||02:56 | ||02:56 | ||
− | || | + | ||and the equation looks like as shown on the screen. |
|- | |- | ||
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|- | |- | ||
||03:18 | ||03:18 | ||
− | ||d of theta over d of t is equal to minus k into theta minus S | + | ||'''d of theta over d of t is equal to minus k into theta minus S''' |
|- | |- | ||
||03:30 | ||03:30 | ||
− | ||where S is the temperature of the surrounding environment. | + | ||where 'S' is the temperature of the surrounding environment. |
|- | |- | ||
||03:35 | ||03:35 | ||
− | ||Notice the equation in the Writer gray box. | + | ||Notice the equation in the '''Writer gray box'''. |
|- | |- | ||
||03:39 | ||03:39 | ||
− | ||Let us save our work now. Go to File and click on Save. | + | ||Let us '''save''' our work now. Go to '''File''' and click on '''Save'''. |
|- | |- | ||
||03:45 | ||03:45 | ||
− | ||Now let us see how to write Integral equations. | + | ||Now, let us see how to write '''Integral equations'''. |
|- | |- | ||
||03:50 | ||03:50 | ||
− | ||And let us go to a new page by clicking three times slowly outside the Writer gray box | + | ||And let us go to a new page by clicking three times slowly, outside the '''Writer gray box''' |
|- | |- | ||
||03:58 | ||03:58 | ||
− | || | + | ||and then press '''Control, Enter'''. |
|- | |- | ||
||04:03 | ||04:03 | ||
− | ||Type “Integral Equations: ” | + | ||Type: “Integral Equations: ” |
|- | |- | ||
||04:06 | ||04:06 | ||
− | ||and press | + | ||and press '''Enter''' twice. |
|- | |- | ||
||04:11 | ||04:11 | ||
− | ||Now, let us call Math from the Insert Object menu; | + | ||Now, let us call '''Math''' from the '''Insert > Object''' menu; |
|- | |- | ||
||04:17 | ||04:17 | ||
− | ||increase the | + | ||increase the '''Font size''' to '''18 point''' |
|- | |- | ||
||04:22 | ||04:22 | ||
− | ||and change the | + | ||and change the '''Alignment''' to the '''Left'''. |
|- | |- | ||
||04:25 | ||04:25 | ||
− | ||To write an integral symbol, we just need to use the mark up “int” in the Formula Editor Window. | + | ||To write an '''integral''' symbol, we just need to use the mark-up “int” in the '''Formula Editor Window'''. |
|- | |- | ||
||04:35 | ||04:35 | ||
− | ||So, given a function f of a real variable x and an interval a, b of the real line on the x-axis, the definite integral is written as Integral from a to b f of x dx. | + | ||So, given a function 'f' of a real variable 'x' and an interval 'a, b' of the real line on the x-axis, the '''definite integral''' is written as '''Integral from a to b f of x dx'''. |
|- | |- | ||
||04:58 | ||04:58 | ||
− | ||We have used the mark up ‘int’ to denote the integral symbol. | + | ||We have used the mark-up ‘int’ to denote the '''integral''' symbol. |
|- | |- | ||
||05:04 | ||05:04 | ||
− | ||To specify the limits a and b, we have used the mark up ‘from’ and ‘to’. | + | ||To specify the '''limits'''- 'a' and 'b', we have used the mark-up ‘from’ and ‘to’. |
|- | |- | ||
||05:13 | ||05:13 | ||
− | ||Notice the formula in the Writer gray box. | + | ||Notice the formula in the '''Writer gray box'''. |
|- | |- | ||
||05:17 | ||05:17 | ||
− | ||Next let us write an example double integral formula to calculate the volume of a cuboid. | + | ||Next, let us write an example '''double integral formula''' to calculate the volume of a cuboid. |
|- | |- | ||
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|- | |- | ||
||05:30 | ||05:30 | ||
− | ||As we can see, the mark up for a double integral is ‘i i n t’. Simple. | + | ||As we can see, the mark-up for a '''double integral''' is ‘i i n t’. Simple.. |
|- | |- | ||
Line 189: | Line 189: | ||
|- | |- | ||
||05:46 | ||05:46 | ||
− | ||And the mark up for a triple integral is ‘i i i n t’. | + | ||And the '''mark up''' for a triple integral is ‘i i i n t’. |
|- | |- | ||
||05:52 | ||05:52 | ||
− | ||We can also use the subscript mark up to specify Limits of an integral. | + | ||We can also use the '''subscript mark up''' to specify '''Limits''' of an '''integral'''. |
|- | |- | ||
||06:00 | ||06:00 | ||
− | ||Using the subscript, Math places the character to the bottom right of the integral. | + | ||Using the '''subscript''', '''Math''' places the character to the bottom right of the integral. |
|- | |- | ||
||06:06 | ||06:06 | ||
− | ||So these are the ways we can write integral formulae and equations in Math. | + | ||So, these are the ways we can write integral formulae and equations in Math. |
|- | |- | ||
||06:13 | ||06:13 | ||
− | ||Now let us see how to write formulae containing | + | ||Now, let us see how to write formulae containing '''logarithm'''s. |
|- | |- | ||
||06:19 | ||06:19 | ||
− | ||Let us write these in a fresh Math gray box or Math object. | + | ||Let us write these in a fresh '''Math gray box''' or '''Math object'''. |
|- | |- | ||
||06:24 | ||06:24 | ||
− | ||Type | + | ||Type "Logarithms: " and press '''Enter''' twice. |
|- | |- | ||
||06:29 | ||06:29 | ||
− | ||Call | + | ||'''Call''' Math again; |
|- | |- | ||
||06:35 | ||06:35 | ||
− | ||and change the | + | ||and change the Font to '''18 point''' |
|- | |- | ||
||06:39 | ||06:39 | ||
− | ||and align them to the | + | ||and '''align''' them to the '''Left'''. |
|- | |- | ||
||06:42 | ||06:42 | ||
− | ||A simple formula using logarithm is | + | ||A simple formula using '''logarithm''' is '''log 1000 to the base 10 is equal to 3'''. |
|- | |- | ||
||06:52 | ||06:52 | ||
− | ||Notice the mark up here. | + | ||Notice the '''mark up''' here. |
|- | |- | ||
||06:55 | ||06:55 | ||
− | ||Here is another example: | + | ||Here is another example: '''log 64 to the base 2 is equal to 6'''. |
|- | |- | ||
||07:03 | ||07:03 | ||
− | ||Let us now write the integral representation of the natural logarithm . | + | ||Let us now write the '''integral''' representation of the '''natural logarithm'''. |
|- | |- | ||
||07:10 | ||07:10 | ||
− | ||The natural logarithm of t is equal to the integral of 1 by x dx from 1 to t. | + | ||The '''natural logarithm of t is equal to the integral of 1 by x dx from 1 to t'''. |
|- | |- | ||
||07:20 | ||07:20 | ||
− | ||And the mark up looks like as shown on the screen. | + | ||And the '''mark up''' looks like as shown on the screen. |
|- | |- | ||
||07:25 | ||07:25 | ||
− | ||Let us save our examples. | + | ||Let us '''save''' our examples. |
|- | |- | ||
Line 261: | Line 261: | ||
|- | |- | ||
||07:31 | ||07:31 | ||
− | ||Write the following derivative formula: | + | ||Write the following '''derivative''' formula: |
|- | |- | ||
||07:35 | ||07:35 | ||
− | ||d squared y by d x squared is equal to d by dx of ( dy by dx). | + | ||'''d squared y by d x squared is equal to d by dx of ( dy by dx)'''. |
|- | |- | ||
Line 277: | Line 277: | ||
|- | |- | ||
||07:53 | ||07:53 | ||
− | ||Integral with limits 0 to 1 of {square root of x } dx. | + | ||'''Integral with limits 0 to 1 of {square root of x } dx'''. |
|- | |- | ||
||08:04 | ||08:04 | ||
− | ||Next, write a double integral as follows: | + | ||Next, write a '''double integral''' as follows: |
|- | |- | ||
||08:09 | ||08:09 | ||
− | ||Double integral from T of { 2 Sin x – 3 y cubed + 5 } dx dy | + | ||'''Double integral from T of { 2 Sin x – 3 y cubed + 5 } dx dy'''. |
|- | |- | ||
Line 293: | Line 293: | ||
|- | |- | ||
||08:25 | ||08:25 | ||
− | ||log x to the power of p to the base b is equal to p into log x to the base b | + | ||'''log x to the power of p to the base b is equal to p into log x to the base b''' |
|- | |- | ||
||08:35 | ||08:35 | ||
− | ||solve log 1024 to the base 2 | + | ||solve '''log 1024 to the base 2'''. |
|- | |- | ||
||08:41 | ||08:41 | ||
− | ||Format your formulae. | + | ||'''Format''' your formulae. |
|- | |- | ||
||08:43 | ||08:43 | ||
− | ||This brings us to the end of this tutorial on writing Differential and Integral equations and logarithms in LibreOffice Math. | + | ||This brings us to the end of this tutorial on writing '''Differential''' and '''Integral equations''' and '''logarithms''' in '''LibreOffice Math'''. |
|- | |- | ||
||08:52 | ||08:52 | ||
− | ||To summarize, we learned how to write:Derivatives and Differential equations | + | ||To summarize, we learned how to write:* '''Derivatives''' and '''Differential equations''' |
|- | |- | ||
||08:58 | ||08:58 | ||
− | ||Integral equations | + | ||'''Integral equations''' and *Formulae with Logarithms. |
|- | |- | ||
||09:02 | ||09:02 | ||
− | ||Spoken Tutorial | + | ||'''Spoken Tutorial''' project is a part of the '''Talk to a Teacher''' project, |
|- | |- | ||
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|- | |- | ||
||09:13 | ||09:13 | ||
− | ||This project is | + | ||This project is coordinated by http://spoken-tutorial.org. |
|- | |- | ||
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|- | |- | ||
||09:24 | ||09:24 | ||
− | ||This | + | ||This script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew Solutions signing off. |
− | + | Thanks for joining. | |
− | And this is | + | |
− | + | ||
− | Thanks for joining | + | |
|- | |- |
Latest revision as of 11:15, 21 May 2018
Time | Narration |
00:01 | Welcome to the Spoken tutorial on LibreOffice Math. |
00:05 | In this tutorial, we will learn how to write:Derivatives and Differential equations, Integral equations and formulae with Logarithms. |
00:17 | For this, let us first open our example Writer document that we created in our previous tutorials- "MathExample1.odt". |
00:29 | Here, let us scroll to the last page of the document and press Control, Enter to go to a new page. |
00:37 | Now, type: “Derivatives and Differential Equations: ” and press the Enter key twice. |
00:45 | Now, let us call Math by clicking Insert menu, then Object and then Formula. |
00:54 | Before we go ahead, let us increase the font-size to 18 point. |
01:00 | Change the Alignment to the Left |
01:03 | and add newlines and blank lines in between each of our examples for better readability. |
01:11 | Let us now learn how to write derivatives and differential equations. |
01:19 | Math provides a very easy way of writing these formulae or equations. |
01:25 | We just have to treat them like a fraction and use the mark up over. |
01:33 | For example- to write a total derivative, df by dx, the mark up is "df over dx" in the Formula Editor Window. |
01:50 | Next, for a partial derivative, we can use the word ‘partial’ and the markup looks like: del f over del x. |
02:02 | We have to use the curly brackets when we use the mark-up ‘partial’. |
02:08 | Notice the 'del' symbol for partial derivatives in the Writer gray box. |
02:14 | Here is another example: Newton's second law of motion |
02:21 | which describes the relationship between acceleration and force- |
02:26 | F is equal to m a. |
02:30 | This can be written as an ordinary differential equation as: F of t is equal to m into d squared x over d t squared. |
02:45 | Notice that we have used various sets of curly brackets to state the order of operation |
02:56 | and the equation looks like as shown on the screen. |
03:01 | Here is another example of a differential equation. |
03:05 | Newton’s law of cooling. |
03:08 | If theta of t is the temperature of an object at time t, then we can write a differential equation: |
03:18 | d of theta over d of t is equal to minus k into theta minus S |
03:30 | where 'S' is the temperature of the surrounding environment. |
03:35 | Notice the equation in the Writer gray box. |
03:39 | Let us save our work now. Go to File and click on Save. |
03:45 | Now, let us see how to write Integral equations. |
03:50 | And let us go to a new page by clicking three times slowly, outside the Writer gray box |
03:58 | and then press Control, Enter. |
04:03 | Type: “Integral Equations: ” |
04:06 | and press Enter twice. |
04:11 | Now, let us call Math from the Insert > Object menu; |
04:17 | increase the Font size to 18 point |
04:22 | and change the Alignment to the Left. |
04:25 | To write an integral symbol, we just need to use the mark-up “int” in the Formula Editor Window. |
04:35 | So, given a function 'f' of a real variable 'x' and an interval 'a, b' of the real line on the x-axis, the definite integral is written as Integral from a to b f of x dx. |
04:58 | We have used the mark-up ‘int’ to denote the integral symbol. |
05:04 | To specify the limits- 'a' and 'b', we have used the mark-up ‘from’ and ‘to’. |
05:13 | Notice the formula in the Writer gray box. |
05:17 | Next, let us write an example double integral formula to calculate the volume of a cuboid. |
05:26 | And the formula is as shown on the screen. |
05:30 | As we can see, the mark-up for a double integral is ‘i i n t’. Simple.. |
05:38 | Similarly, we can also use a triple integral to find the volume of a cuboid. |
05:46 | And the mark up for a triple integral is ‘i i i n t’. |
05:52 | We can also use the subscript mark up to specify Limits of an integral. |
06:00 | Using the subscript, Math places the character to the bottom right of the integral. |
06:06 | So, these are the ways we can write integral formulae and equations in Math. |
06:13 | Now, let us see how to write formulae containing logarithms. |
06:19 | Let us write these in a fresh Math gray box or Math object. |
06:24 | Type "Logarithms: " and press Enter twice. |
06:29 | Call Math again; |
06:35 | and change the Font to 18 point |
06:39 | and align them to the Left. |
06:42 | A simple formula using logarithm is log 1000 to the base 10 is equal to 3. |
06:52 | Notice the mark up here. |
06:55 | Here is another example: log 64 to the base 2 is equal to 6. |
07:03 | Let us now write the integral representation of the natural logarithm. |
07:10 | The natural logarithm of t is equal to the integral of 1 by x dx from 1 to t. |
07:20 | And the mark up looks like as shown on the screen. |
07:25 | Let us save our examples. |
07:29 | Here is an assignment for you: |
07:31 | Write the following derivative formula: |
07:35 | d squared y by d x squared is equal to d by dx of ( dy by dx). |
07:47 | Use scalable brackets. |
07:51 | Write the following integral: |
07:53 | Integral with limits 0 to 1 of {square root of x } dx. |
08:04 | Next, write a double integral as follows: |
08:09 | Double integral from T of { 2 Sin x – 3 y cubed + 5 } dx dy. |
08:23 | And using the formula: |
08:25 | log x to the power of p to the base b is equal to p into log x to the base b |
08:35 | solve log 1024 to the base 2. |
08:41 | Format your formulae. |
08:43 | This brings us to the end of this tutorial on writing Differential and Integral equations and logarithms in LibreOffice Math. |
08:52 | To summarize, we learned how to write:* Derivatives and Differential equations |
08:58 | Integral equations and *Formulae with Logarithms. |
09:02 | Spoken Tutorial project is a part of the Talk to a Teacher project, |
09:06 | supported by the National Mission on Education through ICT, MHRD, Government of India. |
09:13 | This project is coordinated by http://spoken-tutorial.org. |
09:18 | More information on the same is available at the following link. |
09:24 | This script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew Solutions signing off.
Thanks for joining. |