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1. I didn't understand 3blue1brown's video on inverse matrices, where a matrix has no inverse if its determinant is zero
It might help to look at an example. For instance, consider the matrix $$ A = pmatrix1&00&0 $$ The transformation associated with this matrix is $$ f(x) = Ax = pmatrix1&00&0pmatrixx_1x_2 = pmatrixx_10 $$ Geometrically, this transformation "squishes" $Bbb R^2$ onto the $x_1$-axis (or the $x$-axis, if you prefer thinking in terms of $x$ and $y$).The point of an inverse transformation is to undo the effect of $f$. That is, we are looking for a transformation $g(x)$ such that $g(f(x)) = x$. That is, we would like to make a function that satisfies $$ g(f(x_1,x_2)) = g(x_1,0) = (x_1,x_2) $$ Intuitively, we see that this is impossible since, after applying $f$, we have lost the information of what $x_2$ was. More formally and specifically: we know that every point of the form $(1,x_2)$ (i.e. every point of the form $x_1 = 1$) will get "squished" to the point $(1,0)$. So, for $g$ to undo $f$, we would need to have the following be true: $$ g(f(1,3)) = g(1,0) = (1,3) g(f(1,-7)) = g(1,0) = (1,-7) $$ The problem here is that since $g$ is a function, we can only send the point $(1,0)$ to one output. So, there is no one function $g$ that can give back the coordinates of every point we put in.Regarding your second point: even though $det(A) = 0$, it is certainly possible for $Ax = v$ to have a solution if $v$ lives in the line (in our case, the $x_1$-axis). For instance, if we have $v = (-4,0)$, then $f(x) = v$ will be true whenever $x = (-4,x_2)$, i.e. whenever $x$ is a point that gets squished to $v$. On the other hand, if we have $v = (-4,2)$, then no $x$ will satisfy $f(x) = v$: $f(x)$ is necessarily on the $x_1$-axis, but $v$ does not "live" there.
2. I have a weird s-video jack on my graphics card and i cant fit any normal s-video cable in it why?
no thats a regualr svideo port. and svideo cable should work with it
3. 1980s video with hot spanish rocker girl playing guitar
Without more detail I am just guessing here, could be "La Oreja de Van Gogh"?Maybe could be any of those songs:
4. Wanting to replace laptop's video card?
Its not very common for manufacturers to allow those kind of upgrades after you've purchased the computerunless it is a repair
5. Is Skyfire's video license (Android) worth five dollars?
Skyfire offers a free 3 day trial period for users to fully test the video functionality with their specific android device and OS (operating system) prior to purchasing the app. Note: Skyfire has not extended support to ICS (Ice Cream Sandwich) or Jelly Bean powered Google OS, so please use the free trial period to confirm support. Thanks!
6. Do you think we should boycott the media for the Virginia Tech Tragedy for airing the killer's video?
Perhaps. But what bothers me the most is that this sicko got the last word in thanks to NBC. What did anyone gain by this? Canada broadcasting chose not to show the video but American news loves this kind of sick crap
7. Can I connect my Roku LT using S-video?
Since there is no s-video connection the only thing you can do is composite or HDMI. You are kinda slow for HDMI... Now for the good news.... 85% of what the roku streams is only 420 anyway. If you get the expanded memory (it would help reduce it), since it has little memory built ob board. 1.3 Mbs is slow so there will be a lot of buffering for many reasons. 1. I do not think the LT has a ethernet port. That is going to slow you down right there. I have 24Mbps and it buffered a lot with HD. 2. HD video is about 65% larger then non HD (that is 720 HD since nothing streams 1080 HD) Again is it not as big a deal as you are making it out to be. & here is why..... 1. You say can my roku... Well a roku is a device and not a content of media 2. Crackle, Popcornflix, Hulu Plus, Netflix.... if you take everything they have combined, about a total of 10% is going to be in 720 HD content (none do 1080 HDMI content) 3. Why no 1080 HD but a 1080 HDMI connection then? Right now all internet providers put a limit on the amount of data you can receive (a cap). To stream things in 1080 HD with 5.1 sound, you would reach that cap very quick. Then people would stop buying the roku, huhu plus, netflix, and things because of the limited use you get. Since they can not control your IP, they control the data they send instead. If/when the day comes that there is no cap, or the cap is increased, you will already have everything for 1080 HD 4. Why does not my internet provider just raise my cap or remove it? Most IP's (comcast, att, road runner, verizon, and the likes) are in the media business as well by bringing you cable or Satellite tv. If they remove the cap or make it easier for you to watch things elsewhere, then they lose a lot of money, so the cap will stay. There is a whole lot going on. So to keep it short and simple, right now streaming HD is way over played. It is just a myth for now. Dont worry about it so much. The only time (right now) that matters is streaming your own movies you got for free off the internet in 1080 HD with surround sound lol since that is a MUST. The LT does not have a usb port on it, so not an issue for you either.
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You are got a coupon.":"تهانينا! لديك قسيمة.","Congratulations! You are got all coupons.":"تهانينا! لديك كل كوبونات.","Continue":"استمر","Continue Shopping":"مواصلة التسوق","Copy the code and use it directly in the shopping cart.":"انسخ التعليمات البرمجية واستخدامها مباشرة في عربة التسوق.","Country":"بلد","Coupon code":"رمز الكوبون","Coupon List":"قائمة الكوبون","Date":"تاريخ","days after receiving":"أيام بعد استلامها","Design customization":"تصميم التخصيص","Do not use any discount":"لا تستخدم أي خصم","Earliest":"باكرا جدا","Export successful":"تصدير ناجح","Export failed":"فشل التصدير","email":"البريد الإلكتروني","email format does not match":"تنسيق البريد الإلكتروني غير متطابق","Estimated Delivery Time":"يقدر وقت التسليم","Effective Order Count":"عدد الطلبات الفعالة","Effective Sale Amount":"مبلغ البيع الفعال","Expense":"مصروف","expired":"منتهية الصلاحية","export a report?":"تصدير تقرير؟","Failed to upload files.":"Failed to upload files.","FAQ":"FAQ","Find Parts":"العثور على أجزاء","for order over":"للطلب أكثر من ذلك","Free":"حر","Free Quote & Information Request":"طلب اقتباس مجاني ومعلومات","Free Shipping":"الشحن مجانا","Get":"احصل على","Get coupons":"الحصول على كوبونات","Get discount":"الحصول على خصم","Get it":"احصل عليه","Get it after logging in and use it in the shopping cart.":"احصل عليه بعد تسجيل الدخول واستخدامها في عربة التسوق.","Go to Page":"انتقل إلى صفحة","Highest Price":"اغلى سعر","home":"الصفحة الرئيسية","Hot Sale":"عرض ساخن","Income":"دخل","Incorrect form format":"تنسيق شكل غير صحيح","inquiry":"استفسار","join guide":"دليل الانضمام","Last 30 days":"آخر 30 يومًا","Last 7 days":"اخر 7 ايام","Links report":"تقرير الروابط","Loading":"جار التحميل","Lowest Price":"أقل سعر","Match Product":"تطابق المنتج","Merchant Free Shipping":"التاجر شحن مجاني","message":"رسالة","Most Popular":"الأكثر شعبية","my account":"حسابي","my coupons":"كوبونات بلدي","my inquiry":"استفساري","my orders":"طلباتي","my reviews":"مشاريعي","my wishlist":"قائمة امنياتي","name":"اسم","New Arrival":"قادم جديد","Newest":"الأحدث","No Quotation":"لا اقتباس","No time limit":"لا يوجد حد زمني","Not deleted":"لم يتم حذفها","not valid yet":"غير صالح بعد","Off":"عن","Offers and Discounts":"العروض والخصومات","ok":"موافق","Only DOC,DOCX,PDF,PNG,JPEG and JPG files can be uploaded":"يمكن تحميل ملفات DOC و DOCX و PDF و PNG و JPEG و JPG فقط","optional":"اختياري","order notes":"ترتيب ملاحظات","Order over":"النظام","order id":"رقم التعريف الخاص بالطلب","order status":"حالة الطلب","order amount":"كمية الطلب","Orders Report":"تقرير الأوامر","Other":"آخر","Password contains at least numbers and letters length should be 6-20":"تحتوي كلمة المرور على الأرقام على الأقل ويجب أن يكون طول الحروف 6-20","Password is invalid":"كلمة المرور غير صالحة","Password length should be 6-20":"يجب أن يكون طول كلمة المرور 6-20","Paypal":"باي بال","paypal payment":"الدفع باي بال","Pending":"قيد الانتظار","Pending Commission":"اللجنة المعلقة","personal info":"معلومات شخصية","Please click ’click to continue’ to retry.":"يرجى النقر فوق \"انقر للمتابعة\" لإعادة المحاولة.","Please contact customer service for cash withdrawal":"يرجى الاتصال بخدمة العملاء للحصول على السحب النقدي","Please enter a valid email address":"يرجى إدخال عنوان بريد إلكتروني صالح","Please enter the verification code":"الرجاء إدخال رمز التحقق","Please login in first":"يرجى تسجيل الدخول أولا","Please select attribute":"يرجى اختيار السمة","Please select country/region":"يرجى اختيار البلد / المنطقة","Please select superior":"يرجى اختيار متفوقة","Please select the number of ratings.":"يرجى اختيار عدد التصنيفات.","Please select your country":"الرجاء تحديد بلدك","Please upload the invoice file":"يرجى تحميل ملف الفاتورة","Processing":"يعالج","Product Name":"اسم المنتج","Please fill in the delivery address before selecting the payment method":"يرجى ملء عنوان التسليم قبل اختيار طريقة الدفع","promotion center":"مركز الترويج","Promotion Link Click Amount":"رابط الترويج انقر فوق مبلغ","Promoted link clicks":"نقرات الارتباط التي تمت ترقيتها","Promotion Order Count":"عدد أوامر الترويج","Promotion Reports":"تقارير الترويج","read more":"اقرأ أكثر","Received commission":"تلقت عمولة","Refund":"استرداد","Refuse":"رفض","Region":"منطقة","Register Success":"سجل النجاح","Remittance":"التحويلات","Reviews":"المراجعات","reports":"تقارير","Sale ends in":"بيع ينتهي في","Save in wishlist":"حفظ في قائمة الأمنيات","Search":"بحث","swift code":"رمز السرعة","Select how to share":"حدد كيفية المشاركة","Select premium items to increase your chances of making money":"حدد العناصر المتميزة لزيادة فرصك في كسب المال","Share items to your channels.when other purchase a from your link, you can get commission.":"مشاركة العناصر إلى قنواتك. عند الشراء الآخر A من الرابط الخاص بك ، يمكنك الحصول على العمولة.","Share Product":"مشاركة المنتج","shipment successful":"شحنة ناجحة","Shipping":"الشحن","Shipping Address":"عنوان الشحن","Size guide":"دليل المقاسات","Small Text":"نص صغير","Small Title":"عنوان صغير","Sort By":"صنف حسب","Sales Amount":"مبلغ المبيعات","State/Province/Territory":"الدولة / المقاطعة / الإقليم","Successfully delete":"حذف بنجاح.","Successfully save":"حفظ بنجاح.","Thank you for trying":"شكرا على المحاولة","The account has been deactivated, please contact customer service to activate":"تم إلغاء تنشيط الحساب ، يرجى الاتصال بخدمة العملاء لتفعيلها","the content can not be blank":"المحتوى لا يمكن أن يكون فارغا","The coupon code has been copied and used in the shopping cart.":"تم نسخ رمز القسيمة وتستخدم في عربة التسوق.","The file name cannot exceed 100 characters":"لا يمكن أن يتجاوز اسم الملف 100 حرف","The file size cannot exceed 2MB":"لا يمكن أن يتجاوز حجم الملف 2 ميجابايت","The number of withdrawals on the day has been capped":"تم توج عدد عمليات السحب في اليوم","The subscription is successful, thank you for your participation":"الاشتراك ناجح، شكرا لك على مشاركتك","The user center is out of service. Please contact customer service":"مركز المستخدم خارج الخدمة. يرجى الاتصال بخدمة العملاء","There is no amount to withdraw":"لا يوجد مبلغ للانسحاب","There is no data to export":"لا توجد بيانات للتصدير","This is Text":"هذا هو النص","This is title":"هذا هو العنوان","This transaction has failed.":"فشلت هذه المعاملة.","Time to shop":"الوقت للتسوق","Tips":"نصائح","To be commented":"ليتم تعليقها","Total":"المجموع","Tutorial":"الدورة التعليمية","This Supplier/Shipping Company does not deliver to your selected Country/Region.":"لا تقدم هذه الشركة/شركة الشحن إلى بلدك/منطقتك المختارة.","Update password success":"تحديث نجاح كلمة المرور","Upload Image":"تحميل الصور","Upload up to 6 pictures":"تحميل ما يصل إلى 6 صور","uploading":"تحميل","used":"تستخدم","user center":"مركز المستخدم","Upload Invoice":"تحميل فاتورة","valid now":"صالح الآن","Validity period":"فترة الصلاحية","View Cart & Checkout":"عرض العربة","views":"الآراء","Valid for":"صالحة ل","Welcome to the website":"مرحبا بكم في الموقع","Western Union":"الاتحاد الغربي","When your buyers received and confirmed orders, you can get commission right now!":"عندما تلقى المشترين أوامر مؤكدة ، يمكنك الحصول على العمولة الآن!","Withdrawal":"انسحاب","Withdrawal success":"نجاح الانسحاب","Withdrawal Method":"طريقة السحب","Write a Review":"أكتب مراجعة","Withdrawal Amount":"كمية السحب","Yes":"نعم","Yesterday":"في الامس","You are clicking too fast":"أنت تنقر بسرعة كبيرة","You are got a coupon.":"لديك قسيمة.","You can select a maximum of 90 days":"يمكنك تحديد 90 يومًا كحد أقصى","You can withdraw the commission to your Paypal account.":"يمكنك سحب اللجنة إلى حساب PayPal الخاص بك.","You haven’t chosen an address yet":"لم تختار عنوان حتى الآن","You haven’t selected a product yet":"أنت لم تختار منتج حتى الآن","Your rating":"تقييمك","Your review":"مراجعتك","Your shipping address error":"خطأ عنوان الشحن الخاص بك"}}