Question about Texas Instruments TI-89 Calculator

SOURCE: Singular matrix error

I had this problem as well...Were you working on a SinReg equation by any chance? I was able to do every other type of regression (Linear, quadratic, cubic, ect..) In order to get Sinusoidal regression you need to make sure you arrow down to the Period box when entering the equation, and fill it in with the number of items in your table of values (a ten item list means a period of 10). That was the fix for me, so hopefully it works for you!

Posted on Feb 04, 2009

https://www.youtube.com/watch?v=rCVM6RWMjQ4

Jan 7, 2015 - Uploaded by Yabets Jab

In this video you can simply understand how to find a value of a given missing number in a table on Casio fx ...Missing: 4800p

https://www.youtube.com/watch?v=OGmHagjZPjg

Oct 31, 2012 - Uploaded by cpobyrne1

How to perform a linear regression on a Casio scientific calculator. Example uses a ... A Casio fx-83WA calculator is used for the demonstration. .... Lagrange Interpolation Easily Explained on Casio fx-991ES Calculator!Missing: 4800p

Jan 05, 2016 | Casio Calculators

You must use the Statistics 2-var regression and choose quadratic regression.

Sep 16, 2014 | Casio Scientific Calculator FX-115ES PLUS...

What is the question?

Put your calculator in STAT mode (2-var statistics or regression )

Enter your data in two lists, preferably sorted according to the x-value

Choose a regression model from the ones available and get the calculator to give you the best fit.

However to see which regression model best fits you data you need a graphing calculator to draw the scatter plot, then superpose on the scatter plot the curve of best fit given by the regression model.

Once you accept a model as the most suited one, you can use the equation of the curve to predict a y-value given an x-value (what ever REAL LIFE meaning they might have)

.

Put your calculator in STAT mode (2-var statistics or regression )

Enter your data in two lists, preferably sorted according to the x-value

Choose a regression model from the ones available and get the calculator to give you the best fit.

However to see which regression model best fits you data you need a graphing calculator to draw the scatter plot, then superpose on the scatter plot the curve of best fit given by the regression model.

Once you accept a model as the most suited one, you can use the equation of the curve to predict a y-value given an x-value (what ever REAL LIFE meaning they might have)

.

Dec 11, 2013 | Sentry CA 756 Calculator

Sorry to be the bearer of bad news, but the HP 10S calculator does not perform matrix calculations.

You have 9 variables A to F, M, X and Y. You can use them to store data, constants, calculation results, and other numerical values.

To store say the value 5674 in Variable A you press the key sequence 5 6 7 4 [SHIFT] [STO] A.

To recall the value stored in A (and use it in another calculation) you press [ALPHA] [A]. It will be displayed and you can do with it any calculation you want.

You can enter (store) data in Statistics modes

You have 9 variables A to F, M, X and Y. You can use them to store data, constants, calculation results, and other numerical values.

To store say the value 5674 in Variable A you press the key sequence 5 6 7 4 [SHIFT] [STO] A.

To recall the value stored in A (and use it in another calculation) you press [ALPHA] [A]. It will be displayed and you can do with it any calculation you want.

You can enter (store) data in Statistics modes

- Mode 2 is for standard deviation SD (1-variable statistics)
- Mode 3 is for Regressions.

Sep 23, 2013 | HP 10s Scientific Calculator

Open the Matrix function by pressing 2nd [x^-1]>EDIT.

Once Matrix is created, press [2nd][x^-1]>MATH>[1:det(] complete the matrix name and then press ENTER. If matrix is non-singular, you will get your answer.

Once Matrix is created, press [2nd][x^-1]>MATH>[1:det(] complete the matrix name and then press ENTER. If matrix is non-singular, you will get your answer.

Nov 29, 2012 | Texas Instruments TI-84 Plus Silver...

Hi,

You want to solve the equation?

Like 1X+2Y=3

thank you

You want to solve the equation?

Like 1X+2Y=3

thank you

Oct 19, 2010 | Casio FX-115ES Scientific Calculator

I assume you know how to enter data in your calculator. The keystrokes in the following pertain to TI92/92Plus/ Voyage 200 PLT. The main differences with the TI89/Ti89 Titanium is that the function keys F6,F7,F8 are not accessed directly but by the key sequences [2nd][F1], [2nd][F2], and [2nd][F3] respectively

1. CLEAN THE SLATE (so to speak) and ENTER DATA

In Home folder run F6: NewProb to reset the configuration.

Press Apps, and select 6: data/Matrix editor. Select a new data set

Give it a name: here testing.

Press OK/ENTER, The data entry screen opens, enter your values.

When you finish press F2.PlotSetUp.

2. Statistical plot setup and scatter plot drawing

.

Press F1:define to configure Plot1. Choose Scatter, then choose a mark for the data point. I select 5:Dot. and press [ENTER

Select the data column X=c1, Y=c2

Press ENTER to save configuration. Press [CTRL] [GRAPH] On my TI92 the CTRL key is the [Diamond] key. On the following graph I changed the mark to a cross to see the data point better. I also played with the window dimension. You can also do that with ZoomStat. The graph remind me of a parabola (I know I chose the exact values)

3. STATISTICAL CALC. AND REGRESSION ANALYSES.

Now we have to find the equation that fits these data best.

You press APPS 6:Data/ Matrix editor but you select current to return to your data set. You are taken to the data entry editor (Figure 3 above). In that screen Press F5:Calc to edit the type of statistics you want

On first line select the type of regression model : Linear Regression, QuadReg quadratic regression (or anything else available) X is from column1, Y is from column 2. Store RegEQ The regression equation in say Y1(x)

Press ENTER to save to get the Regression Equation. Here it is

As you can see I cheated: a perfect parabola. R^2 =1.

And here the best fit represented on same graph as the statistical data

Usually you have to try different regression models, until you find the one that fits best the experimental data.

1. CLEAN THE SLATE (so to speak) and ENTER DATA

In Home folder run F6: NewProb to reset the configuration.

Press Apps, and select 6: data/Matrix editor. Select a new data set

Give it a name: here testing.

Press OK/ENTER, The data entry screen opens, enter your values.

When you finish press F2.PlotSetUp.

2. Statistical plot setup and scatter plot drawing

.

Press F1:define to configure Plot1. Choose Scatter, then choose a mark for the data point. I select 5:Dot. and press [ENTER

Select the data column X=c1, Y=c2

Press ENTER to save configuration. Press [CTRL] [GRAPH] On my TI92 the CTRL key is the [Diamond] key. On the following graph I changed the mark to a cross to see the data point better. I also played with the window dimension. You can also do that with ZoomStat. The graph remind me of a parabola (I know I chose the exact values)

3. STATISTICAL CALC. AND REGRESSION ANALYSES.

Now we have to find the equation that fits these data best.

You press APPS 6:Data/ Matrix editor but you select current to return to your data set. You are taken to the data entry editor (Figure 3 above). In that screen Press F5:Calc to edit the type of statistics you want

On first line select the type of regression model : Linear Regression, QuadReg quadratic regression (or anything else available) X is from column1, Y is from column 2. Store RegEQ The regression equation in say Y1(x)

Press ENTER to save to get the Regression Equation. Here it is

As you can see I cheated: a perfect parabola. R^2 =1.

And here the best fit represented on same graph as the statistical data

Usually you have to try different regression models, until you find the one that fits best the experimental data.

Jul 26, 2010 | Texas Instruments TI-89 Calculator

The problem is with the data. The calculator is telling you that your matrix is singular. Inverting a singular matrix is analogous to dividing by 0. Just as you can't divide by 0, you can't invert a singular matrix.

If you think that the inverse exists, double check the entries in the matrix.

If you think that the inverse exists, double check the entries in the matrix.

Apr 19, 2009 | Texas Instruments TI-83 Plus Calculator

Hello,

First stop the application that is running [2nd][Quit] or [Escape]

From Home screen

[Apps][Data/Matrix Editor/][3:new] name the data set when asked.

A table is displayed Enter the values in list c1 and c2 You can rename the variables in header.

When finished press [F5:calc]

In calculation type right arrow select 5:linReg in front of x enter c1, in front of y enter c2 and [enter] to save. the equation shows when you press [ENTER]

Hope it helps.

First stop the application that is running [2nd][Quit] or [Escape]

From Home screen

[Apps][Data/Matrix Editor/][3:new] name the data set when asked.

A table is displayed Enter the values in list c1 and c2 You can rename the variables in header.

When finished press [F5:calc]

In calculation type right arrow select 5:linReg in front of x enter c1, in front of y enter c2 and [enter] to save. the equation shows when you press [ENTER]

Hope it helps.

Apr 03, 2009 | Texas Instruments TI-89 Calculator

I had this problem as well...Were you working on a SinReg equation by any chance? I was able to do every other type of regression (Linear, quadratic, cubic, ect..) In order to get Sinusoidal regression you need to make sure you arrow down to the Period box when entering the equation, and fill it in with the number of items in your table of values (a ten item list means a period of 10). That was the fix for me, so hopefully it works for you!

Jan 17, 2009 | Texas Instruments TI-89 Calculator

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I know that it should make sense with no zeros , how can you change it?

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