How can I display live data in MATLAB from external sensors connected through arduino?

I am currently working on a project that is using a displacement sensor and a load cell to take measurement from a surgical tools that puts electrodes in the brain. A huge part of the project is that I have live/real-time data being shown as the sensors are being used. The code I am using was written in MATLAB and is using an arduino support package. I want to be able to not only show the graph of real-time data, but also show the numerical value as well. Both sensors give a voltage output, which needs to be converted to the displacement, force and speed. I want to extract the data from the sensors as they are in motion, feed it through the arduino into a MATLAB code that will produce a graph that will work in real-time. So far, in terms of the progress, the code that I have outputs a graph that shows the change in voltage as time goes on (which is a good first step). My questions are as follows:

1. how can I convert the voltage data into the displacment, force, and speed data that I want, and show that on the graph in real-time? (i have special equations that can convert to these numbers, I just dont know how to implement them into the code).
2. how can I display a numerical value in real time in addition to the graph? (i.e. I want to show the graph changing, but also have something that says "force= , displacement= , speed= and shows the real-time data and changes as the sensors change)

Here is the code that I have :

clear

clc

%User Defined Properties

a = arduino('Com4'); % define the Arduino Communication port

plotTitle = 'Real-Time Data Log';

xLabel = 'Elapsed Time (s)';

yLabel = 'Voltage (V)';

legend1 = 'Displacement Sensor';

legend2 = 'Load Cell';

yMax = 10; %y Maximum Value

yMin = 0; %y minimum Value

plotGrid = 'on'; % 'off' to turn off grid

min = 0; % set y-min

max = 3; % set y-max

delay = .01; % make sure sample faster than resolution

%Define Function Variables

time = 0;

data = 0;

data1 = 0;

data2 = 0;

count = 0;

%Set up Plot

plotGraph = plot(time,data,'-r' );

hold on %hold on makes sure all of the channels are plotted

plotGraph1 = plot(time,data1,'-b');

hold on

% plotGraph2 = plot(time, data2,'-g' );

title(plotTitle,'FontSize',15);

xlabel(xLabel,'FontSize',15);

ylabel(yLabel,'FontSize',15);

legend(legend1)% legend(legend1,legend2,legend3)

axis([yMin yMax min max]);

grid(plotGrid);

tic

while ishandle(plotGraph) %Loop when Plot is Active will run until plot is closed

dat = readVoltage(a,'A0'); %* 0.48875855327; %Data from the arduino

dat1 = readVoltage(a, 'A1'); %* 0.48875855327;

% dat2 = a.analogRead(4)* 0.48875855327;

count = count + 1;

time(count) = toc;

data(count) = dat(1);

data1(count) = dat1(1);

% data2(count) = dat2(1)

%This is the magic code

%Using plot will slow down the sampling time.. At times to over 20

%seconds per sample!

set(plotGraph,'XData',time,'YData',data);

set(plotGraph1,'XData',time,'YData',data1);

% set(plotGraph2,'XData',time,'YData',data2);

axis([0 time(count) min max]);

%Update the graph

pause(delay);

end

delete(a);

disp('Plot Closed and arduino object has been deleted')