"Ireland took their opportunities", he said.
"We asked for a physical reaction that we didn't have last week".
"I thought he bossed the forwards as well in a game that was very hard, it really was about inches - every time you carried it was about getting an inch because that's all you were getting".
The British and Irish Lions' centre was unable to thrive as England exploited a lack of cohesion in Ireland's back three en route to their punishing four-try victory. They got one more chance at the death from a scrum just inside the Scottish half, but they couldn't make it count.
"We restricted them to an intercept try and it was a massive defensive effort".
"It's one of those things that does happen if you take the ball to the line and if you are a hub of a player for us".
Head coach Schmidt echoed the thoughts of his deputy, glad to see his players dig in to get a result in what were trying circumstances.
The final change sees Chris Farrell making his first start in the Six Nations Championship at the expense of injured Garry Ringrose as Ireland aim to get their first win in the tournament.
Rob Kearney returns at full-back, while Jack Conan comes in at No. 8 in the absence of CJ Stander (facial injury).
Captain Rory Best admitted losing the Leinster second row - who will be sidelined for two months - is a serious threat to Ireland's campaign.
Meanwhile Chris Farrell partners Bundee Aki in midfield following a Dublin defeat that ended their hopes of back-to-back Grand Slams.
"Robbie is unavailable due to a dead-leg and it hasn't recovered in time, so we have to forge ahead".
Having celebrated the mistake, the Irish forwards doubled-down by winninga scrum penalty but their momentum was stymied when Cian Healy knocked on.
The last time Scotland claimed the Six Nations title Bill Clinton was US President and the millennium bug was a threat.
"It does make it hard. But if you get another bump on it, it debilitates you quickly, and then you have to make another change".
However they were gifted a try seconds later when Stockdale chipped ahead, Tommy Seymour who, under pressure from Chris Farrell, shipped a bad pass to Sean Maitland and Conor Murray pounced to run in the score. "And there's no better man to get it in his hands than Jacob".